Pool Rx Plus Booster Blue Replacement Minerals for 7500 - 20000 Gallon Swimming Pool 4 Pack

Maintenance:

• Maintain chlorine 0.5ppm - 1.0ppm
• Maintain pH 7.2 - 7.8
• Maintain alkalinity 80 - 120
• Maintain cyanuric acid 10 - 80
• Replace the unit every 12 months
• Add PoolRx booster after 4 - 6 months if needed

Active Ingredients:

• Copper Sulphate Pentahydrate - 86.85%
• Zinc Sulfate Monohydrate - 1.51%
• Silver Nitrate - 0.40%
• Other Ingredients - 11.24%

Note:

• Not Compatible for use with bromine or biguanides
• No need for phosphate removers, other algaecides, clarifiers