PoolLab DPD No 4 Photometer Reagent Tablets (50 pack)
- Official PoolLab 1.0 Reagent Tablets - DPD No 4 - 50 tablet pack.
- Photometer grade
- For all photometers including Pool Lab 1.0, Pool Lab 2.0 and Scuba II
- Tests for Active Oxygen (MPS)
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