pH Monitor & Control

Aqua Master Bundle Pack

Aqua Master Bundle Pack includes: 2 x Aqua Master Combo Pen P100 Pro 2 x Aqua Master Combo Meter P700 Pro 3 x Aqua Master EC1413 Cal Solution – 100ml 3 x Aqua Master pH 4 Cal Solution – 100ml 3 x Aqua Master pH 7 Cal Solution – 100ml 3 x Aqua Master KCL Storage Solution – 100ml..

£605.95

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Aqua Master H600 Pro Handheld Meter - pH, EC, PPM, TDS

The Handheld Meter H600 Pro is a versatile tool designed for the precise measurement of pH, EC, PPM, TDS, and temperature in liquids. Its user-friendly interface ensures effortless parameter switching, making it accessible to both seasoned professionals and newcomers. One of its key features is the built-in calibration indicator, which acts as a proactive reminder for recalibration, ensuring consistent measurement accuracy. This meter is also designed to ..

£231.95

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Aqua Master Replacement EC Electrode E300 Pro

This is the replacement probe for the Aqua Master Substrate EC/Temp E300 Pro. For instructions on how to replace the electrode, please refer to the user manual for the: Aqua Master Substrate EC/Temp E300 Pro.Replacing the electrode:Detach the PIN connector of the old EC electrode from the meter.Connect the PIN connector of the new EC electrode to the meter.Calibrate the meter as described in this manual.The meter is now ready for use...

£69.95

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Aqua Master Replacement Electrode for P100 Pro Combo Pen

Suitable for the Combo Pen P100 Pro. Please refer to the P100 Pro User Guide for instructions on how to replace the electrode...

£44.95

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Aqua Master Replacement pH Electrode for P700 Pro2 Combo Meter

The Aqua master tools replaceable pH electrode is easy to connect using the BNC connector. Due to the long pH double junction electrode, it has a longer life. Over time, pH electrodes age, even with good care and regular cleaning, the lifespan will be extended. However, over time, reference fluid will become contaminated and the electrode will continue to respond slowly. The gel-filled electrode will then have to be replaced...

£62.95

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Aqua Master Tools P700 Pro2

The renewed Combo meter P700 Pro2 has a modern, robust housing. It is also equipped with a large screen on which all value can be read. In addition, the software has been improved, so that accurate measurements can now be read faster. The electrodes are easy to replace if worn or broken. The Combo meter P700 Pro2 is ideal for measuring the pH, EC, CF, PPM and temperature of nutrient water for plants and water in swimming pools, jacuzzis and ponds. With th..

£257.95

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Aqualine pH Dosing Pump Kit

The small & precise flow of the MP810 provides fully automated pH control of aqueous solutions in the hydroponic systems. It has been specifically designed to control the pH in mixing tanks for fertilization. The peristaltic pump allows you to maintain the ideal pH values in your tank. After selecting the desired pH setting from 5.5 to 9.5 pH, the pH controller measures the pH value of the solution & automatically adds pH adjustment (acid or alkal..

£435.95

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Aqualine pH Stick

Measure the pH of your garden with ease. This Aqualine stick provides results in seconds and is small enough to keep on hand. It's important to know the conditions your plants are growing in; there's no use in all the effort if the soil is harmful. Fertiliser that is too acidic may be prone to nutrient leaching, leading to wilting and yellow spots. Overly alkaline soil reduces its solubility, and plants may have stunted growth or iron deficiencies as a re..

£82.95

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Backpack Lab Soil Quality Test Kit HI-3896BP

A unique combination of test kits designed for testing soil quality - A classroom in a backpack! Backpack Lab test kit includes agriculture test kit, Hi-98129 Combo pH/ED/TDS, temperature tester, HI-145 digital thermometer, set of 6 field test procedures, teacher's resource CD, teacher's guide and backpack. The HI-3896BP is a kit specifically assembled for the educator and Environmental Science student and is designed to provide a complete lesson plan f..

£689.95

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Bluelab Combo Meter Plus

Our best-selling meter paired with the Leap pH Probe for quicker measurements in any substrate. Take care of the fundamentals - Three-in-one portable solution The fundamental parameters of pH, conductivity and temperature all play a pivotal role in driving optimal nutrient uptake. With Bluelab’s Combo Meter Plus, you can measure all these fundamentals in one convenient, portable device. While conductivity indicates the total amount of nutrients in your ..

£306.95

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Bluelab Multimedia Meter & Leap pH Probe

The pH level of solutions, soils, substrates, media and nutrient solutions strongly influences crop performance. Do you know what the pH of your root zone is? Fast, accurate pH measurement in nutrient solution and root-zone from the palm of your hand. Combine the Bluelab® Multimedia pH Meter and Bluelab® LeapTM pH Probe to take fast accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix and many other media types. Calibration..

£110.95

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Bluelab PeriPod M3

Automatically maintain reservoir nutrient and pH levels Create the optimal conditions for nutrient uptake The Bluelab PeriPod M3 will maintain stable pH and nutrient levels in your reservoir, ensuring optimal nutrient availability for your plants at all times. Your PeriPod responds to triggers received from the Bluelab Pro Controller, dosing pH adjusters and nutrient stock solutions into your reservoir to achieve optimal conditions for nutrient uptake. ..

£932.95

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Bluelab PeriPod M4

Peristaltic pumps for accurate and consistent dosing of nutrient and pH into reservoirs For convenience, doser can be positioned lower than the injection point Quiet and fan-cooled for optimal performance Manual dosing from the unit to prime tubing 120ml/min flow rate M3 and M4 sizes offer an ultra-compact solution for space-saving environments 4 metres/13 feet of tubing for dosing pH adjuster solution High-strength acid-/alkaline-resistant tub..

£1,272.95

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Bluelab pH4.0 Calibration Solution

Boost your pH products’ longevity with regular cleaning and calibration. All Bluelab solutions are manufactured specifically for Bluelab products and are NIST traceable to ensure your Bluelab products last longer and maintain accuracy. Now manufactured in Europe!..

£7.95

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Bluelab pH7.0 Calibration Solution

Boost your pH products’ longevity with regular cleaning and calibration. All Bluelab solutions are manufactured specifically for Bluelab products and are NIST traceable to ensure your Bluelab products last longer and maintain accuracy. Now manufactured in Europe! ..

£7.95

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Bluelab Pro Controller Conductivity Probe

Replacement conductivity probe for the Bluelab Pro Controller Connect. Easy to clean Low maintenance Fully submersible probe 2-metre/6.56-foot standard cable..

£42.95

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Budget PH Meter

The Grow Gadgets Budget pH Meter is cost-effective and simple to use! This essential garden tool measures the pH readings of growing media, helping growers calculate optimal levels for growth. Accurate and affordable pH measures the acidity or alkalinity of a substance - and it’s vital in a garden. Substrates that are too acidic (low pH) cause severe damage to the roots, while overly alkaline substrates (high pH) “lock out” nutrients and cause defici..

£24.95

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Combo Pen P110 Pro ph, EC, Temp

The updated Combo Pen P110 Pro features a modern and robust housing. The improved software now ensures quicker readings of accurate measurements. You can easily replace the electrode should it be worn or damaged. The Combo Pen P110 Pro is ideal for measuring the EC, pH and temperature of liquid plant nutrition and water in swimming pools, Jacuzzis and ponds. The user-friendly buttons can be used to effortlessly switch between..

£85.95

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EC Temp meter E50 Pro

The E50 Pro EC temp meter is the latest tool in Aqua Master Tools’ wide range of high quality products. Ideal for measuring EC and temperature of liquid plant nutrition and water in swimming pools, Jacuzzi’s, and ponds. Effortlessly switch between the parameters with the user-friendly buttons. The meter is delivered fully calibrated and includes batteries. How does the meter work? Remove the protective cover. Gently clean the electrod..

£61.95

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Garden King Everyday pH Pen

Easy to use, entry level model ideal for beginners and experienced growers alike. An ideal solution for short term grows, or those on a budget...

£25.95

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GroLab Doser Starter Kit

GroLab™ Doser Kit is a powerful grow controller that allows to fully monitor and automate the feeding solution of your plants. Nutrients control, pH correction, water level warnings, auto tank refill, are some functions of this kit. This kit also provides the necessary tools to create security systems to react and/or notify if any issues arise. Remote control, real-time notifications, IP cameras integration... are just some of the perks you get with GroL..

£878.95

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GroLab Pro Starter Kit

GroLab™ Pro Kit is the most complete automation kit you'll ever get. It allows to fully monitor and automate the climate, lighting, irrigation, pH correction, nutrients dosing, and all the tank management tasks, while constantly checking your substrate moisture and feeding your plants only when necessary. This kit also provides the necessary tools to create security systems to react and/or notify if any issues arise. Remote control, real-time notificatio..

£1,865.95

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GroLab TankBot

Indispensable as a nutrients and pH controller, water tank level manager or even a security system. It can control any 12v actuators like water valves or peristaltic pumps, while also analyzing the water solution in your tank thanks to the pH, EC, Temperature and water level sensors. Refill the tank, recycle the water and even automatically control the nutrients and pH. The Powerful Tank Manager TankBot is the most versatile and precise module f..

£548.95

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Growbitz Truncheon PH Meter

PH Meter / Tester for Fertilizers Nutra-Wand / Truncheon (pH-3385) This pH measuring bar is very quick and easy to use. All the readings can be seen in the meter. You do not need to consult books or manuals. Just enter it into the solution and read the pH value. The 16 LED lamps have a high luminosity and are easy to visualize. How to Use Place the head of the test tube in the solution for 1 or 2 minutes so that the liquid in the bar an..

£64.95

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Growlink Batch Tank Module

Introducing the Smart Batch Tank/Runoff Monitor, the ultimate solution for remote management and monitoring of your batch tanks or runoff zones. Equipped with Sensorex EC and pH probes, as well as inputs for level sensors, flow meters, temperature, pH, and EC, this powerful controller allows for accurate measurement and recording of pH and EC readings throughout the growth cycle. Features: Easy Calibration via the Growlink App Plug & Play R..

£1,272.95

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Hanna Advanced Portable Multiparameter for pH, EC/Turbidity, DO HI-9829-13042

Designed for measuring water quality, this advanced professional multi-parameter measures up to 15 parameters and comes with an impressive range of features. Dissolved Oxygen Turbidity pH EC Fully integrated GPS system 2 year manufacturers' warranty Designed for measuring water quality, this advanced professional multiparameter measures up to 15 parameters and comes with an impressive range of features. These include a fully integrated GPS system..

£7,148.95

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Hanna Extended Range pH Meter with pH electrode & °C sensor HI-991001

HI-991001 is a durable, portable, pH and temperature meter used for most pH measurements encountered in manufacturing and environmental testing protocols. The meter is provided with a very rugged titanium bodied electrode with built-in temperature sensor for temperature compensated pH and temperature readings. It also contains an integral pH sensor pre-amplifier to provide stable measurements in electrically noisy environments. Main features: ..

£612.95

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Hanna Groline pH Dosing System HI-981412-00

HI-981412-00 GroLine pH dosing system with HI-10063 pH probe Maintaining the correct pH of plant soil or hydroponic nutrient solution is an ongoing task. Macro and micro nutrients, as well as calcium and magnesium bloom boosters, require the correct pH for absorption into the plants root system. The HI-981412 Groline pH Dosing System, easily assimilates into a nutrient/fertiliser system for soil and hydroponics. It precisely monitors the pH using the HI..

£447.95

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Hanna Groline pH Dosing System HI-981412-20

Maintaining the correct pH of plant soil or hydroponics nutrient solution is an ongoing task. Macro and micro nutrients, as well as calcium and magnesium bloom boosters, require the correct pH for absorption into the plants root system. The HI-981412 Groline pH Dosing System, easily assimilates into a nutrient/fertiliser system for soil and hydroponics. It precisely monitors the pH using the HI-10063 pH/temperature probe and simultaneously controls the a..

£751.95

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Hanna Groline pH Dosing System HI981412-10

Maintaining the correct pH of plant soil or hydroponics nutrient solution is an ongoing task. Macro and micro nutrients, as well as calcium and magnesium bloom boosters, require the correct pH for absorption into the plants root system. The HI-981412 Groline pH Dosing System, easily assimilates into a nutrient/fertiliser system for soil and hydroponics. It precisely monitors the pH using the HI-10063 pH/temperature probe and simultaneously controls the a..

£599.95

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Hanna Groline PH/EC/TDS/Temp Monitor

Quick to setup and simple to use, this monitor was designed with hydroponics, aquaponics, and greenhouses in mind. Make your nutrient solution easy to manage with the Groline monitor and combined pH/EC/temperature probe. Instantly view all measurements The versatile display of the Groline monitor allows for three screen modes. The LCD can display all three essential hydroponic nutrients measurements at one time, a 3-second cycle of single measurements, ..

£599.95

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Hanna Groline Professional pH & Temp Meter for Soil HI-98168

Designed for agricultural professionals, this meter joins the Hanna 98 series of quality pH meters which are rugged and portable with the performance and features of a benchtop. It is also an addition to the GroLine range. Application importance The measurement of pH in agricultural activities is very important due to the influence it has on the growth of the plant. Soil can be acid, neutral or alkaline according to its pH value. Most plants prefer a pH ..

£1,050.95

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Hanna HALO Wireless Soil pH electrode HI-12922

HALO® Wireless pH electrodes make pH testing simple. Take direct soil & soil slurry pH and temperature measurements using the HI-12922 specifically designed for agricultural tasks. HALO Wireless pH electrodes make pH testing simple. Take direct soil & soil slurry pH and temperature measurements using the HI-12922 specifically designed for agricultural tasks. The HALO has a triple ceramic junction in the outer reference cell, built-in temperature ..

£304.95

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Hanna Halo2 Wireless pH Test for Soil with Built-in Electrode

HALO2 Wireless pH meter with Bluetooth® Smart Technology includes a dual-level LCD and temperature measurement for automatic temperature compensation. HALO2 pH probes can be used virtually anywhere as their versatility and ease of use will revolutionise the way pH is measured. Accurate and easy to use, HALO2 wireless pH Testers are ideal for measurements in samples that would be a challenge for standard design pH electrodes. The meters with their special..

£204.95

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Hanna Halo2 Wireless pH Tester with Built-In General Purpose Electrode HI-9810422

HALO2 Wireless pH meter with Bluetooth® Smart Technology includes a dual-level LCD and temperature measurement for automatic temperature compensation. HALO2 pH probes can be used virtually anywhere as their versatility and ease of use will revolutionise the way pH is measured. Accurate and easy to use, HALO2 wireless pH Testers are ideal for measurements in samples that would be a challenge for standard design pH electrodes. The meters with their special..

£204.95

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Hanna HI-7609829/10 Probe for pH/pH+ORP/ISE, DO, EC, Temp with HI 7698295

Probe for pH/pH+ORP/ISE, DO, EC, temperature with HI-7698295 short protective shield and 10m cable. The use of Hanna’s microprocessor-based multiparameter intelligent probes with HI-9829 will provide reliable data collection that can lead to an improved scientific understanding of the interconnections between natural, chemical and geological processes and manmade pollution to effectively evaluate applications for waste discharge permits, remediate contami..

£2,061.95

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Hanna HI-7609829/4 Probe for pH/pH+ORP/ISE, DO, EC, Temp with HI 7698295 SPS

Probe for pH/pH+ORP/ISE, DO, EC, temperature with HI-7698295 Short Protective Shield and 4m cable. The use of Hanna’s microprocessor-based multiparameter intelligent probes with HI-9829 will provide reliable data collection that can lead to an improved scientific understanding of the interconnections between natural, chemical and geological processes and manmade pollution to effectively evaluate applications for waste discharge permits, remediate contamin..

£1,865.95

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Hanna HI-7629829/4 Logging Probe for pH/pH+ORP/ISE, DO, EC, Temp with HI-7698295 SPS

The HI-7629829 is a multi-parameter pH/ISE/EC/DO/Turbidity/Temperature autonomously logging probe for use with the HI-9829 portable meter. Sensors are automatically recognised by the probe and meter when connected. Logging probe for pH/ISE/EC/DO/Turbidity/Temperature with HI-7698295 short protective shield and 4m cable. For use with the HI 9829 multiparameter. Sensor replacement is quick and easy with field replaceable, screw type connectors colour-code..

£4,588.95

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Hanna HI-769828-1 Spare pH/ORP Module for HI-769828 Probe

The HI-769828-1 is a pH/ORP sensor, with o-ring. This sensor is to be used with HI-9828 and HI-98280 series multi-parameter meters. The electrode has a rugged PEI (polyetherimide) body that offers excellent chemical resistance in an unbreakable plastic, making it ideal for field and industrial applications. Each module is colour-coded for easy installation into the appropriate probe. IP68 - Dust-tight and protected against the effects of continuous immer..

£599.95

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Hanna HI-8614LN pH Transmitter

Digital and Analogue Transmitters for pH, ORP and Conductivity are two-wire transmitters widely used for process control in industry. The transmitters are especially useful in industrial conditions where electrical interference is an important factor. pH Transmitter with 4-20 mA Galvanically Isolated output; with LCD display, range: 0.00 to 14.00 pH. Hanna transmitters isolate signals galvanically, thus eliminating interference. Their thin wire technolog..

£1,017.95

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Hanna HI-9811-51 pH/EC/TDS Meter with HI-1285-51

These meters feature a large LCD which displays either pH, EC, TDS or temperature readings along with tutorial instructions. The pH readings are displayed with a 0.1 resolution and an accuracy of ±0.1 pH while the EC and TDS readings are displayed with a 10 m/s/cm and 10 ppm (mg/L) resolution and 2% full scale accuracy. Please select the meter with the range you require for your testing. The temperature correction coefficient (β) is fixed at 2%/°C and all..

£380.95

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Hanna High Range EC, TDS, pH and °C Meter HI-991301

The HI-991301 high range meter offers great precision at high range to meet exacting requirements for testing pH, electro-conductivity, total dissolved solids and temperature. Designed for optimum consistency and reproducibility the HI-991301 portable high range conductivity meter offers a great range of user selectable features to deliver greater consistency and reproducibility Different TDS factors ranging from 0.45 to 1.00 Temperature coefficients (ß)..

£965.95

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Hanna Logging probe for pH/pH+ORP/ISE, DO, EC, with Temp HI-7629829/10

Logging probe for pH/pH+ORP/ISE, DO, EC, temperature with HI-7698295 short protective shield and 10m cable. For use with the HI-9829 multi-parameter meter. The HI-7629829 is a multiparameter pH/ISE/EC/DO/Turbidity/Temperature autonomously logging probe for use with the HI-9829 portable meter. Sensors are automatically recognised by the probe and meter when connected. Sensor replacement is quick and easy with field replaceable, screw type connectors that a..

£4,873.95

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Hanna pH, EC, DO digital portable meter (pH electrode included only) HI-98199

The HI-98199 is a versatile meter that can monitor pH, EC, and dissolved oxygen when paired with the respective probe. Hanna’s pH probe is included with the HI-98199 and the EC and DO probes can be ordered separately. Dissolved Oxygen pH The HI-98199 allows for the measurement of pH and temperature when used with the included HI-829113 digital pH probe. Up to a three-point calibration with five standard buffers and one custom buffer available pH ..

£1,093.95

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Hanna pH/EC/TDS and Temperature Portable Meter with CAL Check HI-9813-61

This meter features a large LCD which displays either pH, EC, TDS or temperature readings along with tutorial instructions. The pH readings are displayed with a 0.1 resolution and an accuracy of ±0.1 pH while the EC and TDS readings are displayed with a 0.01 mS/cm and 1ppm (mg/L) resolution and 2% full scale accuracy. The EC range of both meters is from 0.00 to 4.00 mS/cm and TDS is from 0 to 1999ppm. The temperature correction coefficient (β) is fixed at ..

£324.95

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Hanna pHep pH Tester HI-98107

The HI-98107 pHep® revolutionised the pH industry by providing non-technical personnel with a simple, inexpensive solution to accurate pH measurement. This pocket sized pH tester is used by millions of people around the world to monitor pH. 0.0 to 14.0pH pH Automatic calibration Waterproof, designed to float This pocket sized pH tester is used by millions of people around the world to monitor pH in laboratories and industrial applications as well ..

£90.95

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Hanna pocket pHep+ pH Tester & °C HI-98108

This pocket sized pH tester is used by millions of people around the world to monitor pH in laboratories and industrial applications as well as in agriculture, fish farming, swimming pools and the printing industry. With a renewable cloth junction, the pHep®+ has an extended life over typical pH testers. A normal junction clogs with use over time and a typical tester would normally have to be thrown away once the junction is too contaminated. The HI-98108..

£97.95

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Hanna Professional Agriculture Test Kit HI-3896

By using the HI-3896 Soiltest, it is possible to measure pH and the most important elements for plant growth, that is, nitrogen (N), phosphorus (P) and potassium (K). The chemical composition of soil includes pH and chemical elements. Soil analysis is necessary for better management of fertilisation and to know the residues of fertilisers in relation to the crop, tillage and the most suitable plant choice for soil composition. An analysis can highlight sh..

£105.95

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Hanna Research Grade pH, ORP, ISE, EC, TDS, Resistivity, Salinity Bench Meter HI-5522

Up to four conductivity calibration points can be used to increase measurement accuracy: One fixed-point salinity calibration on the percent scale Three methods for calculating seawater Practical scale Natural seawater scale Percent scale HI-5522 is an ideal research-grade instrument with large easy read graphic display and soft touch keypad. Customise to your application The display is customisable and can display two channels simultaneously. M..

£1,558.95

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Hanna Soil pH Tester HI-981030

pH tester for soil, the HI-981030, has a specialised PVDF probe and an open reference junction with removable sleeve to prevent clogging. pH range: 0 to 12.00. Press the on/off button to turn the meter on. All tags will be displayed. The meter will go into measurement mode with current reading and calibrated buffers displayed. The meter has a range of 0.0 to 12.00 pH and a resolution of 0.01pH with accuracy at ±0.05pH @ 25°C. Calibration is automatic at ..

£165.95

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Hanna Water-resistant hand-held pH, mV and Temperature Meter HI-8314

The HI-8314 is a handheld pH/mV/°C meter designed to be reliable and easy-to-use. The HI-8314N is also supplied with the HI-1217D pre-amplified pH electrode and internal temperature sensor. Manual calibration is performed at one or two points by adjusting the trimmers on the front panel. This instrument is ideal for applications that require a custom calibration point. Manual calibration can be extremely useful in order to achieve better accuracy. ..

£485.95

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Hub Reservoir Kit

Reservoir Kit (Hub Base + pH/EC/W.Temp probes) Everything you need for 24/7 continuous monitoring of pH, EC and temperature in reservoirs. Expandable up to 12 Hub-ready sensors. This kit includes: 1x Hub Base1x PH-1 Probe: pH (15ft cable)1x EC-1 Probe: EC + water temp (15ft cable)1x Backbone Extension Cable (6ft/2m) 1x 3-way T Connector..

£998.95

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KCI Storage Solution 100ml

KCI Storage Solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C. Do not return liquid. Thoroughly rinse the electrode before and after each use. Pour some KCI storage solution into the electrode's protective cover. Place the electrode in the solution...

£5.95

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Milwaukee Mi5166 Waterproof Test Kit

The Milwaukee PH51 + C66 kit allows you to test both electrical conductivity and water acidity. the kit is sold with a case to protect the instruments, the practical screwdriver to set the calibration and the tester bags for the initial calibration. Milwaukee once produced the article always calibrates its products before sale, (you will always find a leaflet with the initial calibration date), later if you want to calibrate your testers just put the prob..

£87.95

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Milwaukee Mi6000 pH & EC Tester Kit

The Milwaukee Mi6000 is a complete pH and Ec pocket tester set consisting of the PH600 pH tester and the CD611. The kit is a complete pH and Ec pocket EC tester. The pH and EC set is supplied in a very solid hard shell plastic storage case...

£71.95

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Milwaukee MW804 MAX Waterproof 4-in-1 pH / EC / TDS / Temp

The Milwaukee MW804 MAX Waterproof 4-in-1 pH/EC/TDS/Temp Tester is designed as an all-in-one solution for growers. Accuracy The MW804 MAX 4-in-1 tester is accurate to ±0.05 pH, EC/TDS to 2% Full Scale and ±0.5°C / ±1°F for temperature. With automatic calibration and 5 memorized calibration points, the tester can be quickly and easily be calibrated to a higher accuracy compared with manual calibration. Long life The tester comes with a replaceable pH p..

£182.95

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Milwaukee PH/EC Temp Monitor w/ Manual Calibration

Why Guard when you can Monitor! The Milwaukee MC810 MAX pH/EC/Temp. Monitor lets you monitor your pH/TDS/Temp levels 24/7 automatically. Comments From Field Testing “I run this unit 24/7 and have not had any problems for the past two months. I can monitor 24/7, point a camera on it and connect to my phone.” “Easy to calibrate.” “Using this now, far less expensive than what my friends paid … I recommend this to any serious grower.” Summary The MC811 ..

£248.95

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Milwaukee ph51 Waterproof ph Tester

The Milwaukee pH51 is a waterproof pH tester with 2 points manual calibration, ±0.1 pH accuracy and a range of 0.0 to 14.0 pH. Because of the IP65 Waterproof casing and double junction (for pH) replaceable electrode is the ph tester also suitable for heavy duty applications, such as waste water treatment and agriculture. The modular design allows easy electrode and battery replacement. The waterproof tester is supplied in a leather casing complete with c..

£39.95

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Milwaukee pH600 pH Tester

Digital - Simple - Compact The Milwaukee pH Pen is designed for hydroponic and other growers to help you make sure that the pH is within an acceptable range...

£36.95

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NIDO One - Hydroponic Automation

Nido is the first intelligent and connected device for the management and monitoring of off-ground systems. Installable in a few minutes, it can automate your greenhouse in just a few simple steps via smartphone/tablet control. All values in a single platform Data monitoring, value management and device control via smartphones will allow you to create an ideal environment for the growth of healthy and extremely productive plants. Compatible with any exi..

£2,199.95

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NIDO pH Electrode Probe

Replacement pH electrode probe for Nido One complete with BNC connector...

£117.95

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P160 Pro electrode

Suitable for the Combo pen P160 Pro. Please refer to the User Guide for instructions on how to replace the electrode. Waterproof IP67...

£40.95

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P50 Pro pH Electrode AMT1001

Suitable for the pH Temp meter P50 Pro. Please refer to the User Guide for instructions on how to replace the electrode. Waterproof IP67...

£25.95

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pH 4.01 Calibration Solution 100ml

100 ml pH 4.01 Calibration Solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C...

£5.95

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pH 7.00 Calibration Solution 100ml

100 ml pH 7.00 Calibration Solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C...

£5.95

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pH EC TDS Temperature Portable Meter HI-9812-51

These meters feature a large LCD which displays either pH, EC, TDS or temperature readings along with tutorial instructions. The pH readings are displayed with a 0.1 resolution and an accuracy of ±0.1 pH while the EC and TDS readings are displayed with a 10 m/s/cm and 10 ppm (mg/L) resolution and 2% full scale accuracy. Please select the meter with the range you require for your testing. The temperature correction coefficient (β) is fixed at 2%/°C and all..

£367.95

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pH Probe Refill & Storage Solution

A solution designed specifically for the refill of liquid-containing pH probes. This liquid is also a storage solution. Refill the probe, following the instructions supplied with the meter. The probe should be topped up regularly to maintain correct levels. This will ensure consistent readings. The solution should not be used for refilling gel-based electrodes. This liquid is also ideal for storage of all pH probes - the probe..

£6.95

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pH Temp meter P50 Pro

The P50 Pro pH temp meter is the latest tool in Aqua Master Tools’ wide range of high quality products. Ideal for measuring pH and temperature of liquid plant nutrition and water in swimming pools, Jacuzzi’s, and ponds. Effortlessly switch between the parameters with the user-friendly buttons. The meter is delivered fully calibrated and includes batteries. How does the meter work? Prior first usage - soak your pH meter in tap water for..

£65.95

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Ph-Pro Meter

This easy-to-use pH meter helps growers calculate the optimum conditions for their plants. The simple digital display makes it simple to identify and correct when nutrient solutions are too high or low. Monitors pH of soil and nutrient solution Maintaining the right pH can make or break a garden. Soil or water that is too acidic can “lock out” essential nutrients and harm beneficial microlife. A pH that is too high equally interrupts nutrient intake and ..

£22.95

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pH/EC/TDS and temperature Portable Meter HI-9813-51

This meter features a large LCD which displays either pH, EC, TDS or temperature readings along with tutorial instructions. The pH readings are displayed with a 0.1 resolution and an accuracy of ±0.1 pH while the EC and TDS readings are displayed with a 0.01 mS/cm and 1ppm (mg/L) resolution and 2% full scale accuracy. The EC range of both meters is from 0.00 to 4.00 mS/cm and TDS is from 0 to 1999ppm. The temperature correction coefficient (β) is fixed a..

£367.95

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Pulse Hub Base

Professional-grade environmental monitoring made easy. Pulse Hub supports a versatile suite of industrial-grade sensors that provide you with the data needed to optimize growth conditions and give you a full understanding of every aspect of your grow...

£561.95

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Trolmaster (PPH-1) Reservoir pH Sensor - Aqua-X

Suitable for wide range of applications: Hydroponics, Aquariums, Laboratory etc. 3.6-meter long cable for flexible placement. BNC terminal allows direct connection to AMP-2 Sensor Board...

£122.95

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Trolmaster (PPH-3) Drop-in/inline Heavy Duty Nutrient pH Sensor

TrolMaster's new PPH-3 pH probe has been improved in multiple ways. The new PPH-3 features a reduced diameter protective sleeve and threaded body that will allow the probe to be installed into standard 3/4" PVC tee fittings. The PPH-3 has an improved sensor element for more stable and reliable performance. Can be used with the AMP-2 or the AMP-3 nutrient sensor module. Features: Suitable for a wide range of applications: Hydroponics, Aquariums, Labo..

£353.95

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Waterproof pH & Temperature Meter for Soil HI-99121

The HI-99121 portable pH meter, together with HI-12923 pH electrode, is designed to measure pH in soil or soil slurries. The HI-99121 is a lightweight, portable pH and temperature meter. It features a two button operation system and is simple to use. It has a waterproof and compact casing, large dual-line display, and automatic pH calibration at one or two points. Main features Simultaneous pH and temperature measurements on a large dual-line..

£746.95

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Bluelab Pro Controller Connect

Automated Constant Control of Reservoir pH and Nutrient Levels When connected to a dosing system the Bluelab Pro Controller Connect manages pH, conductivity and temperature levels in reservoirs. As your plants feed, pH and nutrients are automatically adjusted to the desired range. The controller allows you to monitor, data log and control your system in real time for immediate response to personalised settings and system alerts, direct from your compute..

£1,099.95

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Bluelab OnePen pH, Conductivity (EC/PPM), and Temperature

This 3-in-1 tool measures pH, Conductivity (EC/PPM), and Temperature, optimising nutrient uptake. Connect to the Edenic app via Bluetooth for real-time sharing, updates, and comprehensive data management. Replaceable probe and probe health indicatorErgonomic build and high-contrast backlit displayPrecise readings with 0.01 pH resolutionSimultaneous pH and conductivity (EC) screen readingsMeasure conductivity in EC, CF, PPM 500 (TDS) or PPM 700Measure temp..

£214.95

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Growboss Nutrient Monitoring System

The Nutradip GrowBoss sets a new standard for Nutrient Monitoring, ease of use and affordability. The Nutradip Growboss is a nutrient monitoring system that assists growers in achieving maximum results for their growing efforts. The Growboss is a constant monitoring meter that indicates to the grower the exact levels of Nutrient strength, pH and temperature.This allows the grower to adjust and optimize each parameter as the crop progresses through each g..

£329.95

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Hanna Groline pH Tester HI-98115

This GroLine Hydroponics pH tester has been designed with many advanced features that are found typically in more expensive portable instrumentation. These features include automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off. Key features Large LCD - Enhanced LCD that displays reading, stability indicator, low battery indicator an..

£67.95

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EDGEMULTI High End Hybrid Multiparameter

Edge - smart, slimline, bench pH, EC and DO meter Edge is the latest innovation from Hanna Instruments offering some of the most advanced technology for measuring pH, Conductivity and Dissolved Oxygen. Smart, slimline and lightweight, Edge delivers fast accurate measurement. With its high precision technology combined with the user-friendly dimensions and format of a digital tablet, the Hanna Edge offers a new, laboratory-grade, flexible pH meter that is..

£2,277.95

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Hanna Groline Waterproof pH & Temperature Tester HI-98118

The HI-98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. The ergonomic design allows this tester to fit comfortably in your hand. The large easy to read LCD display shows both pH and temperature along with calibration, stability and low battery indicators. All operations are simplified to two buttons. One is for turning the meter on/off and the other for automatic one or two point calibration. T..

£93.95

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Growlink pH Sensor, Light Duty Replacement

The pH6000 is a light duty pH probe for continuous monitoring of surface water and ground water, including environmental and industrial source water monitoring. The durable Ultem® body permits use in the field, while conferring chemical compatibility. Double junction reference protection allows use in environments that contain reference fouling contaminants, including heavy metals. Fully integrated cable comes in a 10 foot (3 meter) standard length, with c..

£217.95

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HI-11102 HALO™ pH Electrode with Bluetooth® Smart Technology

The HI-11102 HALO™ is a pH and temperature electrode which incorporates a Bluetooth transmitter to wirelessly connect to an iPad or the Hanna Edge-Blu pH tablet meter. No need for a pH meter Free to use Hanna Lap App for iPad Flexible, accurate and easy to use Hanna Lab App The first app that turns an iPad® into a full-featured pH meter! The Hanna Lab App turns an iPad® into a full-featured pH meter when used with the Hanna HALO™ pH electrode with..

£413.95

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HI-98194 Multiparameter Waterproof Meter

HI-98194 provides multiparameter measurement in a compact and rugged IP67 waterproof enclosure. Ideal for demanding application, this meter features our rugged, quick connect multi-function probe with field replaceable sensors. The HI-98194 measures pH/mV, ORP, Conductivity, TDS, Resistivity, Salinity, Seawater, Dissolved Oxygen, Atmospheric Pressure and Temperature A backlit, graphic LCD provides easy to read resolution even in low-lit areas. A combinati..

£2,777.95

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HI-9125N Handheld pH/mV Meter with Enhanced Design

The HI-9125N is a rugged, high specification portable meter that offers the additional advantage of being able to measure ORP. Heavy-duty water resistant casing combined with latest microprocessor technology makes this meter ideal for delivering laboratory grade results and accuracy under harsh industrial conditions. Key features Heavy-duty waterproof casing Large clear LCD display Extended pH and temperature given simultaniously Memorises pH readi..

£886.95

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Hanna Groline pH/EC/TDS/Temperature Meter HI-9814

The HI-9814 is a lightweight, waterproof portable pH, conductivity, TDS and temperature meter supplied with a specialist multiparameter probe designed for hydroponics, greenhouse and agricultural applications. Key features Compact, robust casing Simultaneous readout of pH, EC or TDS and °C Simple two button keyboard Waterproof design to withstand the humidity of a growing environment Specialist multi-parameter electrode Optional green protective r..

£321.95

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Hanna Groline Waterproof pH/EC/TDS/Temperature Tester HI-98131

The HI-98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity, TDS and temperature. This versatile pocket meter is designed for hydroponics, greenhouse and agriculture applications. The meter operation is simplified with two buttons. One is used for on/off and for calibration while the other is used to switch between the measurement modes. The HI-98131 has advanced features including a selectable EC to TDS conversion fac..

£236.95

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HI-98184 Waterproof pH/ORP/ISE Meter

The HI-98184 is a water resistant, portable meter designed for demanding applications and measures pH/ORP/ISE and temperature. This meter is supplied with the HI-72911B pH/ temperature electrode with rugged, titanium casing and also allows for an optional ORP probe to obtain mV readings in the ±2000 mV range. This meter adds direct ion concentration readings for ISE's and the results are displayed in ppm. The HI-98184 also supports 15 different ISE senso..

£2,198.95

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Hanna Groline Monitor HI-981420

Make your nutrient solution easy to manage with the GroLine Monitor and combined pH/EC/Temperature probe. Quick to setup and simple to use, the monitor was designed for hydroponics, aquaponics, and greenhouses. The HI-981420 GroLine Monitor provides 24 hour continuous monitoring of pH, conductivity (EC or TDS), and temperature in hydroponic nutrients. Results every 15 minutes . . . The GroLine Monitor automatically logs your results every 15 minutes ove..

£475.95

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Trolmaster (NFS-1) Aqua-X Irrigation Control System

The Aqua-X Irrigation Controller is the main controller of the Aqua-X irrigation control system. With the combination of pH Sensor and EC/Temp Sensor, Aqua-X can monitor the pH, EC and Temp levels of the nutrient. With the use of 110V control board and 24V control board, the system could manage up to 30 individual outputs for multiple watering schedules. With the innovative water detectors, the system could monitor each watering schedules with alerts for ..

£567.95

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pH58 pocket-size pH, ORP & Temperature Meter

Combination waterproof testers with advanced functions also include the new model pH58 for simultaneous pH and ORP measurements and temperature, which is continuously displayed on the dual level LCD. It shows readings in an extended range from -2.00 to 16.00 pH or ±1000 mV and simultaneously shows temperature from -5.0 to 105.0°C or 23 to 221°F. The pH58 has a stability indicator and hold feature that freezes the display for easy and accurate recording. T..

£237.95

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Bluelab PeriPod L3

Create the optimal conditions for nutrient uptake The Bluelab PeriPod L3 will maintain stable pH and nutrient levels in your reservoir, ensuring optimal nutrient availability for your plants at all times. Your PeriPod responds to triggers received from the Bluelab Pro Controller, dosing pH adjusters and nutrient stock solutions into your reservoir to achieve optimal conditions for nutrient uptake. Since there’s no need for spot checks or manual..

£2,787.95

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HI-98172N Portable pH/ORP/ ISE Meter With Cal Check

The HI-98184 is a water resistant, portable meter designed for demanding applications and measures pH/ORP/ISE and temperature. This meter is supplied with the HI-72911B pH/ temperature electrode with rugged, titanium casing and also allows for an optional ORP probe to obtain mV readings in the ±2000 mV range. This meter adds direct ion concentration readings for ISE's and the results are displayed in ppm. The HI-98184 also supports 15 different ISE senso..

£2,068.95

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HI-9914-2 Wall Mounted pH and Conductivity Controller

HI 9914 is a wall mounted fertigation controller, designed to meet specific process control requirements in agricultural, horticultural and hydroponics applications. The controller is provided with two measuring channels, one for pH and one for conductivity. The readings are displayed simultaneously on two independent LCDs with backlight. The conductivity probe is designed with a built-in temperature sensor which allows the controller to automatically com..

£1,221.95

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pH56 Pocket-size pH / Temperature Meter with replaceable electrode

IP65 Waterproof pH tester with Large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from -2.00 to 16.00 pH (with a 0.01 pH resolution) and simultaneously shows temperature from -5.0 to 105.0°C or 23.0 to 221.0°F. pH56 has a stability indicator and hold function that freezes the display for easy and accurate recording. The large display also has graphic symbols to guide you through all oper..

£143.95

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Garland pH Soil Test (2 Tests)

Test your soil before you grow. Pack contains 2 single use pH tests...

£4.95

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Garland Soil pH Meter

Simple to use, no battery required. Instant acid or alkaline reading...

£11.95

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Mi160 pH / ORP / ISE / Temperature Laboratory Bench Meter

This new pH/ORP/ISE/Temp bench meter is ideal for very accurate and precise measurements for all laboratory needs. It can perform ion-selective measurements directly in ppm, as well as pH, ORP and temperature measurements. pH calibration can also be performed in 3 points selectable between 7 memorized buffers, to provide a very accurate calibration curve even when testing different samples, where very wide differences in pH can be found. Thanks to the me..

£1,249.95

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Mi805 pH / Conductivity / TDS / Temperature Professional Portable Meter

Measures 4 parameters with 1 single probe. Mi805 offers you a combination of pH, Conductivity, total dissolved solids and temperature measurements. You can select from a range of calibration buffers and also the temperature scale (°C or °F) can be selected. The multi-parameter probe MA851D/1, includes pH/EC/TDS and temperature, all in one rugged handle. Other features include different TDS factors from 0.45 to 1.00, and a range of temperature coefficients..

£647.95

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Hydromaster HM-500 Continuous pH/EC/TDS/Temp Monitor

HM-500: Continuous pH/EC/TDS/Temp Monitor hydromasterThe HM Digital HydroMaster (HM-500) monitors pH, Temp˚C/˚F, EC & TDS providing accurate, stable readings the user can rely on. The unit can be wall mounted, is portable thanks to its rechargeable battery, and can be used as a benchtop monitor with its stand. Continuous pH/EC/TDS/Temp Monitor Rechargeable battery RF Resistant Portable/Wall Mount/Benchtop Data Storage: Up to 20 measurement read..

£324.95

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Pulse PH-1: Industrial pH Sensor (Submersible/Inline)

Heavy duty, industrial grade IP68, Long-term submersible or 3/4" inline 15ft cable Hub-ready..

£123.95

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