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Digital Light Meter
The meter is fully cosine corrected for the angular incidence of light, meaning that if you are not holding the sensor perfectly perpendicular to the light source, the sensor will still read the light correctly. The sensor is stable and made of a long-life silicon photo diode. The digital light meter accurately measures to 432,000 Lux. The meter’s built-in low battery indicator means you’ll never be caught by surprise by a low-power product. It measures g..
£52.95
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Analogue Light Meter
The ActiveEye Analogue Light Meter is a simple to use, no fuss, no frills meter that helps you to ensure that your crop is getting the required light levels. It needs no batteries and will never require calibrating. It has a three stage measurement range in order to deliver reliable readings. As a general rule, the three settings are suitable for the following: X1 = low light or shade loving plants/fluorescent lighting systems, X10 = general sunlight and X..
£23.95
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Light Meter
This light meter is ideal for both the professional and hobbyist. The unit allows the user to monitor light intensity and levels in a variety of applications... The best way to use a tester is to measure the light levels when installing new lamps or lighting and then measure the light intensity thereafter on a regular basis until the lamps require replacing. The light meter measures both Lux or foot-candles (FC) over the range of 0 to 30000 Lux. The corr..
£71.95
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Horti LITECheck Meter
Lack of adequate light is a common cause of plants turning yellow and having poor growth. Supplementary electrical lighting is the easiest way to provide enough light for your plants. As artificial lighting will degrade in intensity with time, it is essential to measure with a LiteCheck meter at regular intervals to tell if replacement is required. • Check for dark spots • Check for lumen drop off from old bulbs..
£71.95
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Trident pH-EC-CF-Temp Meter
Essential Trident - pH, EC/CF and Temp Meter - Highly accurate, professional all-in-one meter for easy nutrient control The all-in-one conductivity, pH and temperature meter is designed to make nutrient measurement quick and easy. It can be used as a stirrer and makes it easier to take readings in deep tanks. Accurate and rapid conductivity, pH and temperature measurement - Nutrient strength in EC, CF or PPM - Easy push button calibration - Auto turn-off..
£4.95
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EC-Shake
No batteries means a 100% moisture proof design which stops liquid getting into the circuitry and allows for a greater overall lifespan. A couple of shakes and you're away! • No Calibration Required • No Batteries Required • Auto Temperature Calibration • Fully Waterproof • Provided with EC Scale • 5 Years Warranty..
£66.95
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NutraWand CF Truncheon
Give the NZ CF Truncheon a run for its money! Reliable, accurate and waterproof...
£66.95
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Bluelab Truncheon Nutrient Meter
It is essential when growing with a hydroponic solution to KNOW what the strength of the solution is before feeding your plants AND while they are growing. This is easy if you use the Bluelab Truncheon® Nutrient Meter! To take a reading of your solution -simply place the probe head into the solution for 1-2 minutes to reach the same temperature of your nutrient. The reading is indicated by the flashing lights. Calibration of the Meter is not required. ..
£96.95
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HortiStick Nutrient Tester - 3in1 pH EC & Temperature
The new HortiStick is a three-in-one instrument that combines the measurement of pH, conductivity (mS) and temperature. The unit simultaneously displays nutrient concentration along with either pH or temperature. This simple, easy to use meter is ideal for the testing of hydroponic solutions and water treatment processes. The instrument features two clear LCD displays and indicates pH and temperature over the range of 0 to 14 pH and 0 to 49.9 °C. The Hor..
£148.95
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Water Proof pH Meter
Fully water proof meters shown above, definitely worth the extra initial outlay...
£66.95
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Water Proof CF Meter
Fully water proof meters shown above, definitely worth the extra initial outlay...
£66.95
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pH PAL Plus pH Tester
The pH PAL Plus tester is a user-friendly and simple to use pH meter that incorporates an automatic calibration feature. At the touch of a button, the instrument will automatically re-calibrate itself when used in conjunction with a 7.00 pH buffer solution. The pH PAL Plus is housed in a water resistant case and features an easy to read 8 mm LCD display indicating pH over the range of 0 to 14 pH with a resolution of 0.1 pH and an accuracy of ±0.2 pH. Thi..
£66.95
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HortiCare Nutrient Tester
The HortiCare nutrient tester is designed to test the levels of nutrient concentrations in solutions that feed plant roots. The unit will test the levels of other essential mineral elements in soluble form. This simple to use instrument is housed in a water resistant case, suitable for everyday use and features an easy to read 8mm LCD display. The unit measures EC (mS), cF or TDS (ppm) at the switch of a button. The HortiCare nutrient tester incorporates..
£77.95
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pH Water and Drop Resistent Meter
The Essentials pH meter is truly the most rugged glass type pH tester around. It is water and drop resistant. Easy to use, just dip the sensor into test solution, stir and wait. The unit will deliver a stable reading in about 20 seconds...
£48.95
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EC Water and Drop Resistent Meter
The Essentials EC meter gives direct accurate readings of nutrient solution and is very helpful in mixing nutrient concentrate with water. All readings are automatically temperature compensated. Easy to use, just dip the sensor into test solution, stir and wait. The unit will deliver a stable reading in about 20 seconds...
£49.95
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EC Pro Waterproof and Drop Proof Meter
The ESSENTIALS pH Pro & EC Pro meters are professional quality, reliable and available with replacement probes. They have a large screen to view results and are very easy to use. They have screw calibration and come with a built in small screw driver. A feature that many customers have been asking us for. The meters have a lifespan of about 1 to 3 years depending on rate of sampling. (Units are good for 365 accurate tests.) These meters are some of t..
£4.95
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EC-3 Value EC and Temperature Meter
Advanced microprocessor for fast efficient readings. Hold Function: saves measurements for convenient reading and recording. Built-in digital thermometer. Fantastic value! Advanced microprocessor for fast efficient readings Hold Function: saves measurements for convenient reading and recording Auto-off function: the meter shuts off after 10 minutes of non-use to conserve batteries Built-in digital thermometer Comes with carry case 3 ..
£31.95
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EP-2 Upscale EC and Temperature Meter
Advanced microprocessor for fast efficient readings. Hold Function: saves measurements for convenient reading and recording. Built-in digital thermometer. Fantastic value! Advanced microprocessor for fast efficient readings Hold Function: saves measurements for convenient reading and recording Auto-off function: the meter shuts off after 10 minutes of non-use to conserve batteries Built-in digital thermometer Comes with carry case 3 ..
£50.95
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COM-80 EC Meter
A reliable, long lasting EC meter purposely designed for the UK hydroponics market. Reads in mS, ppt, as well as uS and ppm. A reliable, long lasting EC meter purposely designed for the UK hydroponics market Reads in mS, ppt, as well as uS and ppm Best value in its class Accurately measures Electrical Conductivity (EC), TDS and temperature Water resistant housing Hold button and auto shut-off Digital calibration (push button)..
£58.95
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COM-100 High End Combo EC and Temperature Meter
Measures EC, TDS and temperature. Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl). Automatic temperature control (ATC) using three temperature co-efficiencies. High-end EC meter Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl) Automatic temperature control (ATC) using three temperature co-efficiencies Digital calibration (push button) to any point within the meter’s range Auto-off functi..
£82.95
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PH-80 PH/Temp Meter - Value pH Meter
Measures EC, TDS and temperature. Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl). Automatic temperature control (ATC) using three temperature co-efficiencies. High-end EC meter Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl) Automatic temperature control (ATC) using three temperature co-efficiencies Digital calibration (push button) to any point within the meter’s range Auto-off functi..
£63.95
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PH-200 - High End Waterproof pH/ Temp Meter
Automatic Calibration: Auto-ranging to 4, 7 or 10 pH by push button digital calibration.Includes a 7.0 pH buffer powder packet and a dropper of KCI electrode storage solution. High-end PH meter Resolution: pH: 0.01 pH, 0.00 – 14.0 pH Accurate to +/- 0.02 pH Automatic Calibration: Auto-ranging to 4, 7 or 10 pH by push button digital calibration Low battery indicator Replaceable probe Clear cap to notice moisture(or lack of) on probe Glass encased ..
£111.95
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Bluelab pH Pen
The ultimate handy solution for measuring pH! Plants get their nutrition from minerals but they can only get all the right minerals they need if certain conditions are right. A key factor that affects food uptake is whether your solution is acid or alkaline. We measure this in pH. The Bluelab pH Pen is the latest innovation for hand held meters. It provides a compact quick and handy way to manage the success of your crops to ensure maximum uptake of nut..
£92.95
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Bluelab EC Pen
The ultimate handy solution for measuring conductivity! The Bluelab EC Pen is the latest innovation for hand held conductivity meters. It provides a compact, quick and handy way to manage the success of your crops. The Bluelab EC Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed. Display options available in °C, °F, EC, CF, ppm 500 and ppm 700. Teamed with our Bluelab pH ..
£71.95
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8000 pH Meter & Interchangable Electrode
The 8000 pH meter features an easy to read, LCD display and is supplied with a general purpose combination glass electrode. The 8000 pH meter indicates pH over the range of 0 to 14 pH with a resolution of 0.01 pH and an accuracy of ±0.05 pH. The pH readings are manually temperature compensated over the range of 0 to 60 °C (default 25 °C). The unit will power off automatically after ten minutes, maximising battery life. At the touch of a button, the inst..
£88.95
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8100 pH and Temperature Meter Kit
The 8100 pH and temperature meter features an easy to read, LCD display and is supplied as a kit which includes a 8100 pH meter, general purpose combination glass electrode, temperature probe, 4.01 and 7.00 pH buffer solutions and carrying case. The 8100 pH meter indicates pH over the range of 0 to 14 pH with a resolution of 0.01 pH and temperature over the range of 0 to 99.9 °C with a resolution of 0.1 °C. The pH readings are automatically temperature co..
£178.95
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Bluelab pH Meter
When measuring the pH of a solution is important… reach for the Bluelab pH Meter. The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the Bluelab pH probe into the solution and the reading will be displayed on the screen. As the meter is portable and does not need a power supply to operate, it can be used anywhere and anytime to help you manage your crops’ daily nutrient requirements. Calibrati..
£247.95
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Bluelab Combo Meter
It’s all you need for simple and reliable crop management and it’s all within arm’s reach! The Bluelab Combo Meter is a pH, conductivity and temperature meter all in one. The Bluelab pH Probe and the Bluelab Conductivity/Temperature Probe are simply placed into the solution and the selected reading is displayed on screen. As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and..
£250.95
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Soil pH Meter
If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just what you need. This hand-held meter comes with a Soil pH Probe, Dibber/Auger, pH4.0 and pH 7.0 calibration solutions, plus a helpful Quick Start guide. Make a hole in the media using the dibber to ensure it is free from coarse particles. Place the soil pH probe into the hole for a direct pH measurement. Soil pH can also be measured by taking soil solut..
£175.95
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Waterproof pH55 Pen
Easy to use entry level pH pen. Reads both pH & temperature. The 'easy read' large display and reading hold button make this a great product for beginners. Complete with battery...
£79.95
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Portable pH Meter MW100
Entry level pH meter, with large easy read digital display. Complete with manual temperature adjustment and 9V battery...
£172.95
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Waterproof EC60 Pen
Easy to use entry level EC pen. Reads both EC and temperature. The 'easy read' large display and reading hold button make this a great product for beginners. Complete with battery...
£79.95
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Portable EC Meter MW302
Entry level EC meter, with large easy read digital display. Complete with automatic temperature adjustment and 9V battery...
£172.95
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Light Meter (Luxometer)
Easy to use light meter to check the effectiveness of lighting. Measures up to 200,000 lux. High precision and quality at an affordable price. Product features: Spectral response in line with international standards CIE Lighting Association. Measure range: 0,1 to 50.000 Lux. Reference lecture up to 200.000 Lux. Resolution up to 0,1 Lux. High accuracy, fast response. 10 minutes automatic power off. Large LCD screen. High precision and quality at..
£108.95
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Digital 2 Way Thermometer/Min Max Meter
Nutrient temperature measurement is via a thin waterproof probe. The Min/Max memory records the highest and lowest temperature values. Can display in °F or °C...
£9.95
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Meter Store - 30ml (including meter sponge)
It's difficult to exaggerate the importance of maintenance and storage solutions. Expensive equipment is often utilised well below its full capabilities due to lack of proper maintenance of sensors. pH probes should always remain in Meter Store when not in use to prevent the probe from drying out. With Essentials Meter Store, keeping pH probes in tip top condition is no longer a problem. Includes probe foam to cut to the size of your meter cap to assist in..
£4.95
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Replacement Probe for ESSENTIALS EC Pro Meter
Probes are replaceable so when your pH probe starts to go and your readings become erratic, don't go to the expense of buying a new meter, simply buy a replacement probe!..
£43.95
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Soil pH & Temperature Pen
The ultimate handy solution for measuring soil pH and temperature! The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms to plants in the soil. Now you can closely monitor and adjust the pH levels to optimize plant health and performance. It will also ..
£149.95
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MW802 pH & Conductivity Combination Meter
3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The MW802, with a conductivity range that goes up to 6.00 mS/cm and the TDS up to 4000 ppm is ideal for testing in crop production. Soil and well water pH that is too acidic or alkaline can have an adverse effect on plant nutrient and water uptake and directly effect the efficiency of fertilizer, herbicides and pesticides. Soil Cond..
£363.95
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Lux Meter MW700
The MW700 is a portable Lux meter designed to perform light measurements. The MW700 is supplied with a light sensor connected to the meter that measures from 0 to 50000 Lux. Average indoor lighting ranges from 100 to 1000 Lux and average outdoor sun lights about 50000 Lux. Lux is a unit that indicates the density of light that falls on a surface. Range 0.000 to 1999 Lux 2000 to 19999 Lux 20000 to 50000 Lux Range..
£198.95
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Budget EC Meter
Budget EC meter for measuring the conductivity in the nutrient solution. A Budget pH meter is also available here...
£38.95
Ex Tax:-1-228x228.jpg "Hanna Groline pH/EC/TDS/Temperature Meter HI-9814")
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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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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SmartBee Handheld Water Content Meter
The SmartBee Handheld Water Content Meter (WCM) is an independently operated device to spot check the water content of various mediums to develop the most effective irrigation strategy. This assists the hydroponics grower to control their dry-down. The handheld WCM is not wireless, it delivers immediate data to the grower. The SmartBee Handheld Water Content Meter has a versatile readout and delivers 1% resolution and 2% accuracy. The SmartBee Handheld W..
£518.95
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Bluelab Pulse Meter
Direct to Mobile 3 in 1 root zone measurements: Moisture, Nutrient & Temperature Quickly and consistently measure moisture, nutrient (measured in conductivity) and temperature directly in the root zone without the need for pour-throughs, slurries or extractions. Pulse connects directly to your smartphone via the Pulse app for automated data collection, measurement comparison, storage and exporting. Works across a wide range of growing media includin..
£337.95
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UPRtek PAR200 Par Meter
The ideal tool for measurements of light which stimulates plant growth is our PAR200 Quantum Spectrometer which works in the PAR spectra and expresses PPFD values in μmol/m2/s and PPF in μmol/s. The PAR200 is enriched with a high resolution and extended spectral range. To be able to analyze, compare and report all the data straight from your smartphone or uSpectrum laboratory grade PC software. The Spectrometer: Compact design that fits in your pocket ..
£2,187.95
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Trolmaster (MBS-PAR) Full Spectrum Quantum Sensor
PAR Sensor for Your Grow Environment Used in conjunction with Hydro-X the Full Spectrum Quantum Sensor (MBS-PAR) provides accurate and cost-effective measurement of photosynthetically active radiation (PAR) from all light sources used to grow plants. The full-spectrum quantum sensor has a spectral range of 389 to 692 nm ± 5 nm. The improved spectral response increases the accuracy of LED measurements. Used in conjunction with the Hydro-X controller, the ..
£714.95
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Sun System® PAR Meter with Remote Sensor
Sun System® PAR Meter with remote sensor measures photosynthetically active radiation (PAR). For use with indoor grow lights or outdoors. Simple and easy to use. Compact size with remote sensor. 1 year warranty. Browser not supported: Download PDF..
£769.95
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Triminator Moisture Meter
Get factual moisture content to improve the quality of your trim prior to trimming and monitor moisture loss or gain in your drying and curing process. With Triminator's Moisture Meter, you can take the guess work out of the equation. Ideal moisture content of your flowers when machine trimming with Triminator Dry machines is between 9-10%. Moisture content above 10% will result in a lower trim quality and a smeared, sticky drum. Moisture content below 9%..
£148.95
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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 Replacement EC, CF, PPM Electrode for P700 Pro2 Combo Meter
The Aqua master tools replaceable EC, CF, PPM electrode is easy to connect using the connector. The electrode cannot be replaced with most conductivity meters because they generally do not break if properly maintained. However, due to aging, lime scale, leakage in the electrode, or cable breakage due to hardened plastic, the electrode can break. That is why the electrode is replaceable with our meter...
£62.95
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Aqua Master P100 pH EC Temp Meter
The updated Combo Pen P100 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 P100 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 the parameters. The meter is ..
£91.95
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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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Apogee MQ-500: Full-Spectrum Quantum Meter
The MQ-500 quantum meter is the tool of choice for scientists all over the world to accurately measure photosynthetically active radiation from all light sources. It has a hand-held meter, attached via cable, that displays and stores measurements. The sensor incorporates a blue-enhanced silicon photodiode and custom optical filters with a rugged, self-cleaning sensor housing design, anodized aluminum body with acrylic diffuser. Typical applications includ..
£649.95
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VitaLink Meter Store 30ml
Prolong the accuracy and lifespan of the pH probe on your pH meter with VitaLink ESSENTIALS Meter Store. pH meters are expensive. They will all degrade over time, but often degrade faster due to a lack of proper maintenance. With VitaLink ESSENTIALS Meter Store, keeping your pH probe in good condition and prolonging its useful lifespan is no longer a problem. The pH probe on your pH meter should always be stored in VitaLink ESSENTIALS Meter Store when not..
£5.95
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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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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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Soil/Substrate pH meter S300 Pro 2
The updated Soil/Substrate meter S300 Pro 2 features a modern and robust housing. This digital soil pH/temperature meter can be used to measure the pH and temperature of coconut soil and other moist, soft substrates or liquids. The user-friendly buttons ensure that the meter is extremely easy to operate. The meter is delivered fully calibrated and includes batteries. How does the meter work? Connect the BNC connector of..
£220.95
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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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Essentials Moisture METER - Digital
The Essentials Moisture METER is a necessity for the perfect grow! It allows you to easily measure the level of moisture in the ANY of the consumables you are drying, indicating whether the dried product is ready for storage. It is ideal for testing herbs that are drying, or plants such as tobacco or tea. Avoid Crop Wastage 9V Battery Included..
£33.95
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Apogee MQ-510 Par Meter
The MQ-510 quantum meter is designed for underwater PAR measurements and already applies the sensor's immersion effect correction factor to the meter readings through firmware. The meter provides excellent measurements under all light sources, including LEDs. The meter consists of a waterproof quantum sensor attached via waterproof cable to a handheld meter. The waterproof sensor incorporates a blue-enhanced silicon photodiode and custom optical filters wi..
£693.95
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Apogee DLI-600 PAR Meter
Apogee's new DLI-600 meter is designed to measure photosynthetically active radiation (PAR) beyond the traditional 400–700 nm range. The DLI-600 measures the newly defined 400-750 nm ePAR radiation range, which has been shown to have extended photosynthetically active properties. In addition to measuring ePAR, the DLI-600 meter calculates daily light integral (DLI) and photoperiod. DLI refers to the total amount of PAR or ePAR incident on a plane in a 24-h..
£682.95
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Apogee DLI-500 PAR Meter
Apogee's new DLI-500 meter is designed to measure photosynthetically active radiation (PAR) 400–700 nm and is accurate under all light sources. If you are looking for a low-cost option that is accurate under sunlight and some broadband light sources see our DLI-400 model. In addition to measuring PAR, the DLI-500 meter calculates daily light integral (DLI) and photoperiod. DLI refers to the total amount of PAR or extended PAR (ePAR) incident on a plane in ..
£649.95
Ex Tax:-228x228.jpg "Trolmaster (DFM-1) Digital Flow Meter to the Controller for Aqua-X Pro Only")
Trolmaster (DFM-1) Digital Flow Meter to the Controller for Aqua-X Pro Only
The DFM-1 is a 1" digital inline flow meter provides accurate measurements of water or a nutrient solution flowing through a fluid pipe. It is specially designed for the Aqua-X Pro system. When it’s used with the Aqua-X Pro, users can set the irrigation schedule to be controlled “By volume”, and the DFM-1 will measure and allow the desired and precise amount of nutrient solution to be used. The DFM-1 sensor can also be used for future functions and may inc..
£172.95
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Milwaukee Smart Portable pH Meter
The Milwaukee MW100 PRO pH meter features manual calibration and fast operation in a rugged design. The Milwaukee MW100 PRO pH Meter is ideal for users in pools, and hydroponic applications. This meter is also ideal for educators that want their students to learn the basics of pH meter calibration before going fully automatic. Speed The MW100 delivers fast results to ±0.2 pH accuracy with two-point, manual calibration. Toughness This rugged m..
£127.95
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Milwaukee Smart Portable LUX Meter
The MW700 is a portable Lux meter designed to perform light measurements from 0 to 50000 Lux. This handy and ergonomically designed Lux meter is ideal for anyone looking for fast and reliable light measurements. This meter is suitable for a wide range of applications, such as Aquarium and Aquaculture, Hydroponic, Agriculture, Horticulture, and Environmental analysis. The waterproof light sensor is attached to a 1.3 m (4.4′) cable and is suitable to verify..
£131.95
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Milwaukee Smart Portable EC HR Meter with ATC
MW302 is a Portable Conductivity High Range (EC) Meter with Automatic Temperature Compensation. This instrument has been designed to meet the Grower’s need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. It is also a great meter for food, labs, and water treatment applications. EC testing provides a method to optimize chemical applications and minimize operational cost. In agricultural applicat..
£131.95
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Moisture Meter
Get accurate soil moisture readings and confidence when watering your plants. No more overwatering or dry plants – simply check the meter and water when needed. Ideal for houseplants, no batteries required...
£10.95
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Quantum Par Meter
Fully portable handheld PAR meter features our highly accurate, integrated Quantum Sensor that measures PAR (Photosynthetically Active Radiation) flux in wavelengths ranging from 400 to 700 nm. It measures up to 10,000 μmol compared with 2,000 μmol for other meters on the market. Data logging capability using standard mini-USB cable and proprietary data logging software available at hydrofarm.com Low power consumption with built-in low battery power in..
£214.95
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Combo Pen P160 Pro pH, EC, TDS, PPM, Temp Meter
The updated Combo Pen P160 Pro features a modern and robust housing. The major advantage of this model is its analogue EC calibration. This means that the calibration solution does not need to have a temperature of exactly 25ºC. Calibration takes place without any deviations. EC calibration solutions are extremely sensitive to temperature. However, this does not apply to pH. You can easily replace the electrode should it be worn or dam..
£181.95
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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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Budget EC Meter
This easy-to-use EC meter by Grow Gadgets aids the grower by measuring the electrical conductivity in the soil. This commonly used meter monitors the level of nutrients in the soil, allowing the grower to react according to the readings. This allows the grower to fine-tune the strength of their nutrient solution for optimal plant growth. This Budget EC Meter is great value for money...
£16.95
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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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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 EC Pronto 9.99 MS/CM HI-983307
The HI-983307-02 conductivity meter is Hanna's reply to requests for accurate, affordable process monitoring with low maintenance. This meter is supplied with a direct 2-pin probe and 2m cable with a ½ inch thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C. In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. ..
£155.95
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Research Grade EC/TDS Meter with USP HI-5321
HI-5321 can be used to perform all 3 stages of USP method required for conductivity measurement of pure and ultra-pure water. HI-5321 can be used to perform all 3 stages of USP <645> method required for conductivity measurement of pure and ultra-pure water. The instrument provides clear directions on how to perform each testing stage and automatically monitors the temperature, conductivity and stability during testing and determines whether a sample..
£1,338.95
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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 Professional Waterproof EC/TDS/Resistivity/Salinity Meter HI-98192
The HI-98192 is a waterproof, portable conductivity meter that has an expanded conductivity range from 0.000µS/cm to 400 mS/cm, as well as TDS, resistivity and three salinity scales. This meter automatically recognises the probe type (two or four ring) and allows the user to adjust the nominal cell constant. HI-98192 is also ready to perform all three stages USP <645> method required for EC measurement of ultrapure water. Choose from seven memorised..
£1,192.95
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Hanna Professional Waterproof Meter for Ultrapure Water HI-98197
The HI-98197 is a waterproof, portable EC (conductivity) meter that has an expanded conductivity range from 0.000 µS/cm to 400 mS/cm, as well as TDS (Total Dissolved Solids), resistivity, and three salinity scales. Conductivity & TDS Salinity Resistivity This meter offers a quick connect four-ring probe and allows the user to adjust the nominal cell constant, HI-98197 is also ready to perform all three stages of USP <645> method required f..
£2,302.95
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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 opdo™ Optical Dissolved Oxygen Meter HI-98198
The HI-98198 opdo™ meter is a rugged, portable dedicated dissolved oxygen (DO) meter designed for fresh and saltwater measurements of dissolved oxygen. This professional, waterproof meter complies with IP67 standards. This professional, waterproof meter complies with IP67 standards and measures DO, barometric pressure, and temperature. The HI-98198 is supplied with a HI-764113 digital optical dissolved oxygen probe in a custom thermoformed durable carryi..
£2,356.95
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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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Hanna Professional Waterproof Dissolved Oxygen and BOD Meter HI-98193
The HI-98193 portable dissolved oxygen meter has extended ranges of up to 50 ppm and 600% saturation. When measuring dissolved oxygen, compensations for salinity, temperature and pressure are essential to improve the accuracy and precision of readings. Salinity compensation allows for direct determination of dissolved oxygen in saline waters. Temperature compensation is automatic with the probes built-in sensor, which features a one or two-point calibrati..
£993.95
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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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Hanna Multi-range Conductivity Meter HI-8633
This portable meter is supplied complete with a rugged conductivity probe and is programmed with 4 ranges of conductivity to meet all applications. Temperature compensation is manually set via a rotary knob on the front of the meter. The HI-8633 is a conductivity meter that has been designed for use in areas of production and quality control. This meter utilises four ring potentiometric probes that offer greater versatility over typical amperometric desi..
£735.95
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Hanna EC/TDS/Temperature Meter - High Range HI-99301
The new and improved HI-99301. With it's larger user friendly LCD, tutorial messages for calibration and setup, missing probe indicator, newer rugged ergonomic casing, faster and easier battery replacement and probe situated on the bottom of the instrument for ease ot use, the updated model is much more effiecent. The HI-99301 is a portable, EC/TDS/temperature meter that measures high range conductivity in mS/cm and TDS in ppt. Both instruments are housed..
£367.95
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Hanna Multi-range TDS Meter HI-8734
This portable total dissolved solids (TDS) meter offers 3 measurement ranges to suit a wide range of applications and is supplied complete with a robust probe on a 1m long cable. The effects of temperature can be manually compensated for via a rotary knob on the front of the meter. The HI-8734 has not only been specifically designed for the water condition industry, but particularly in the softening, demineralisation, reverse osmosis and drinking water ap..
£770.95
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Hanna Waterproof pH, EC, TDS and Temperature Meter with Advanced Features HI-991300
The HI-991300 is a light weight, portable pH, conductivity and temperature meter for portable applications requiring both a pH and conductivity measurement. Applications include measurements for greenhouses irrigation, hydroponics and groundwater monitoring from agriculture nutrient pollution. The HI-991300 meter features two operation button and is simple to use. All operations and settings, including calibration buffers and temperature scale selections,..
£1,006.95
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Hanna EC and Resistivity Meter HI-87314
The HI-87314 is a combination, portable meter that can read conductivity in four different ranges and resistivity. For conductivity measurements, a one-point calibration is performed via a trimmer located in the battery compartment. The supplied probe does not require recalibration when switching from one range to another. The four-ring (stainless steel) probe has a built-in temperature sensor that automatically compensates for temperature changes. For ..
£839.95
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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 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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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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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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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 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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Grow Gadget Budget EC Meter
This easy-to-use EC meter by Grow Gadgets aids the grower by measuring the electrical conductivity in the soil. This commonly used meter monitors the level of nutrients in the soil, allowing the grower to react according to the readings. This allows the grower to fine-tune the strength of their nutrient solution for optimal plant growth. This Budget EC Meter is great value for money. ..
£16.95
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Trolmaster (DFM-2) 1.25" Digital Flow Meter
The DFM-2 is a 1.25" digital inline flow meter provides accurate measurements of water or a nutrient solution flowing through a fluid pipe. It is specially designed for the Aqua-X Pro system. When it’s used with the Aqua-X Pro, users can set the irrigation schedule to be controlled “By volume”, and the DFM-2 will measure and allow the desired and precise amount of nutrient solution to be used. The DFM-2 sensor can also be used for future functions and may..
£172.95
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Trolmaster (DFM-3) 1.5” Digital Flow Meter
The DFM-3 is a 1.5" digital inline flow meter that provides accurate measurements of water or a nutrient solution flowing through a fluid pipe. It is specially designed for the Aqua-X Pro system. When it’s used with the Aqua-X Pro, users can set the irrigation schedule to be controlled “By volume”, and the DFM-3 will measure and allow the desired and precise amount of nutrient solution to be used. The DFM-3 sensor can also be used for future functions and..
£177.95
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PHOTOBIO PAR Meter
The Phantom PHOTOBIO Advanced PAR (Photosynthetically Active Radiation) Meter provides accurate measurement of any light source used in horticultural applications. Allowing you to monitor the light across your grow room and adjust your light sources to ensure each plant receives the optimum amount of light. The Meter measures PAR (400-700 nm) withing a range of 0 to 3999 mmol/m2/s. The ideal level for photosynthesis is 1000 mmol/m2/s. Reac..
£274.95
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