Pool Season Alkalinity Up - 25 Lb. Box safety-cover-type_Solid Vinyl - Heavy Duty The Pentair 27002-0030S Filter Module

The Pentair 27002-0030S Filter Module Cartridge for Sta-Rite System:2 Modular D

It is used on the Jacuzzi AV40

Blue-White replacement Threadless Injection Fitting - 1/4 O

employing a UV inhibitor

This complete set of training electrodes come with one pair of disposable adhesive gels which gives you many uses

Pool Season Alkalinity Up - 25 Lb. Box safety-cover-type_Solid Vinyl - Heavy Duty The Pentair 27002-0030S Filter ModuleThis is a 25 lb. box of Pool Season's Alkalinity Up. This granular 100% Sodium Hydrogen Carbonate product is easy to use. It raises total alkalinity in the pool and acts as a buffer to prevent pH bounce, staining, and corrosion. Alkalinity Up raises total alkalinity in the water and contributes to optimal sanitizer performance. It also helps prevent pH fluctuation.