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PoolRx Algaecide Mineral Unit Pool Chemicals, Blue, 4 Pack
- Maintain chlorine levels between 0.5ppm and 1.0ppm
- Keep pH levels between 7.2 and 7.8
- Ensure alkalinity is maintained between 80 and 120
- Maintain cyanuric acid levels between 10 and 80
- Replace the unit every 12 months
- Add PoolRx booster after 4 to 6 months if needed
- Active ingredients include Copper Sulphate Pentahydrate (86.85%), Zinc Sulfate Monohydrate (1.51%), Silver Nitrate (0.40%), and Other Ingredients (11.24%)
- Not compatible for use with bromine or biguanides
- No need for phosphate removers, other algaecides, or clarifiers