DPD No.4

Our DPD No.4 Products are designed to measure total chlorine levels in water, helping ensure it is safe, clean, and properly treated. Used in pools, spas, and drinking water systems, these tablets or reagents provide quick and accurate results when combined with a colour comparator or photometer. Easy to use and highly reliable, DPD No.4 tests make it simple to monitor overall chlorine balance and maintain healthy, crystal-clear water.