Hach Drop Count Hardness Test Kit RO always wear protective gloves and

always wear protective gloves and eye protection when handling potassium permanganate to avoid skin staining or irritation

Periodically check salt levels and clean the tank as needed to avoid salt bridging and sediment buildup

allowing users to maintain optimal performance effortlessly

Reduces maintenance frequency with robust design and fewer moving parts

Hach Drop Count Hardness Test Kit RO always wear protective gloves andKnowing your water's hardness is the first step in sizing a softener or troubleshooting scale, and the Hach Drop Count Hardness Test Kit makes that measurement refreshingly simple. Using EDTA titration with a bulk powder reagent, you simply count the number of drops required to change the solution color, then read off the total hardness concentration. There are no meters to calibrate, no batteries to fail, and no learning curve, just a clear,