Use the Chloride Calibration Solution to calibrate chloride Ion Sensitive Electrodes (ISEs) for the Aqua TROLL 500 and A

Calibration standard for chloride Ion Sensitive Electrodes (ISEs).

Combine the WaterWatch² Expansion Box with the 7300w² Monitor to support up to eight sensors per monitor.

pH/ORP Calibration Kit – Includes 1 Liter each: 4, 7, 10 pH, Zobell’s Solution