PoolLab DPD No 3 Photometer Reagent Tablets (50 pack)
- Official PoolLab 1.0 Reagent Tablets - DPD No 3 - 50 tablet pack.
- Photometer grade
- For all photometers including Pool Lab 1.0, Pool Lab 2.0 and Scuba II
- Tests for Total/Combined Chlorine and Ozone.
Customer Questions
To test for Total Chlorine, add a DPD No 3 tablet to the same vial after testing for Free Chlorine (DPD No 1). Do not empty the cuvette. Combined chlorine can be caluclated as Total Chlorine minus Free Chlorine.
To test for Ozone, you require DPD No 1 and DPD No 3. If Chlorine is present in the water, Glycine tablets are also required.
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