Green Chemistry without Boric acid.
Highest accuracy of test results.
Easy handling & application.
Exact dosing & enormous durability.
DPD No.1 High Calcium reagent tablets are used for the determination of free chlorine bromine and ozone.
They are especially designed for water that has a high calcium hardness.
Simply dissolve the tablet in a few drops of the water sample, fill up with the water sample and test.