Monitoring and Control
Vitalink Essentials Calibration Buffer PH7 Solution 250ml Control Hydroponics Essentials Calibration Buffer PH7 Solution 250ml Control Hydroponics Use VitaLink ESSENTIALS Buffer solution to calibrate pH meters. This pH 4 Buffer solution gives an accurate representation of the pH scale at pH4 to measure against. Use VitaLink ESSENTIALS Buffer 4 for a 2 point calibration scale. [...]
Monitoring and Control
Essentials pH Test Kit Wide Spectrum Ph Control Hydroponics Our ESSENTIALS pH Test Kit is good for 150 tests. At a rate of 3 tests per week, it will last one year. This makes it excellent value for money. Covers a pH range of 4 – 8.5 measuring in 0.5 increments.