230mV ORP reference solution - Aqua Medic ecotech lights 50 ml (3 tbs) of

50 ml (3 tbs) of water per 100 g (½ cup) of Stone Fix

Due to maintaining the biological balance in the tank

Contains 12 Fatty acids (20% of dry weight)

The Milwaukee T75 Waterproof Total Dissolved Solids (TDS) Pen is designed for

230mV ORP reference solution - Aqua Medic ecotech lights 50 ml (3 tbs) of230mV solution is used as a reference fluid to determine the accuracy of the mV (ORP) probe. The accuracy of all electrodes is dependent upon their calibration. To ensure accurate readings, all electrodes need to be calibrated at regular intervals. To ensure that the fluid values used to calibrate the electrodes remain constant, regular replacement of these fluids should occur.