Natural Chemistry Pool Perfect Phosphate Remover, 2 L Bottle | 15235NCM PG1906 Unlike reactive treatments that only

Unlike reactive treatments that only work after you have a mess on your hands

The only cartridge filter on the market with 2 1/2" internal piping

Acceptable for indoor or outdoor use

Bottom diameter: 5-3/4" (it's a tapered basket)

Natural Chemistry Pool Perfect Phosphate Remover, 2 L Bottle | 15235NCM PG1906 Unlike reactive treatments that onlyRegular pool maintenance is easy with Natural Chemistrys Pool Perfect + PHOSfree. The benefits of our SMARTZyme technology combined with our phosphate removal provides superior water quality with less work. Pool Perfect + PHOSfree is added to the skimmer and contains a non clouding phosphate remover. Features and Benefits: Add weekly to maintain near zero phosphate levels Cleans waterline and filter while reducing surface oils and other non living