Stain Advance Algaecide 1 US (3.8L) Gallon (stain & scale preventer and water decoloration).
- Stain & scale preventer and remover
- Prevents staining and scaling of pool surface and components by chelating minerals such as iron, calcium and manganese
- Cost-effective & easy removal of frets stains
- Protects pumps, filters and pool heater exchange elements