Essentials LAB Buffer 4

Essentials LAB Buffer 4 is an ideal solution for calibration of pH meters at pH4. Regular calibration will keep your pH meter reading accurately. Highly accurate pH4 solution Ensures that your pH meter is reading correctly Technical Specifications: Acidity level: pH4 FAQs: Q: When should I calibrate my pH meter, and why do I need to do it? A: The performance of a pH electrode or pH meter will change with time due to aging beca..

£4.95