PoolRx+ Mineral Swimming Pool Algaecide Unit, up to 6-Month Algae Control, for 20K-30K Gallons, Black & White, New Formula with Silver.
Granular tablet swimming pool algicide Eliminates and controls all types of Pool Algae Reduces chemical demand Effective for up to 6 Months NSF/ANSI 50 Certified EPA Registered 3 Active Ingredients Copper, Silver, Zinc Ideal for Chlorine, Salt, UV, or Ozone Pools Treats 20,000 to 30,000 gallons of water Mineral Based Swimming Pool Algaecide Simplifies pool careYou may also like PoolRx Blue 6-Month Swimming Pool Mineral Algaecide, 1 Tablet Treats 7.5k-20k Gallons Original Formula.
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