DPD 1 Chlorine Testing Tablets - 1x sheet of 10

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DPD 1 Chlorine Testing Tablets - 1x sheet of 10 tablets

DPD 1 tablets are used for testing chlorine or bromine levels using a 2-in1 or 4-in-1 test kits. 

Each sheet contains 10x tablets.

DPD 1 tablets are used to measure the free or 'available' sanitiser levels.

DPD 3 tablets (available here) are used to measure the total chlorine or bromine after the free level has been tested.