GLB Alkalinity Up 5 lb – Total Alkalinity Increaser Pentair Filter Replacement Maintains airtight pump operation

Maintains airtight pump operation

It’s a go-to tool for service techs and experienced pool owners dealing with persistent algae

Dirt and dust after wind or storms

the Swimables SW-26-092 breather tube restores correct air relief function and helps protect your filter and connected equipment

Use smooth

GLB Alkalinity Up 5 lb – Total Alkalinity Increaser Pentair Filter Replacement Maintains airtight pump operationKey Fit & Function Raises Total Alkalinity Increases low alkalinity levels to help stabilize pool water chemistry pH Buffering Support Helps prevent rapid pH swings that reduce chlorine effectiveness Improves Water Balance Creates more stable, predictable water conditions for easier maintenance Protects Pool Surfaces Reduces risk of corrosive water that can etch plaster or damage finishes Equipment Protection Helps prevent corrosion in heaters, pumps,