Pentair 521377 IntellipH Ph Controller

Intelliph Canister With Controller 4 Gallon Muriatic Acid Reservoir Intelli pH automatically dispenses a constant dose of muriatic acid to keep a poolandiuml;andfrac34;'s pH levels in check. Left unmanaged, improper pH can lead to clouded water, irritated eyes and damaging calcium scale buildup that can disfigure a pool, clog its filter and weaken sanitizer effectiveness. The system vastly reduces the need to handle muriatic acid, and is the perfect companion for the IntelliChlor salt chlorine generator.