Pleatco PH6 Filter Cartridge automotive use Protects filter life and efficiency:

Protects filter life and efficiency: Reduces backpressure caused by air pockets and maintains performance

Taylor K-2005-SALT Complete (High) Test Kit

Stable water balance helps protect spa surfaces and extend equipment life

and pink residues

Pleatco PH6 Filter Cartridge automotive use Protects filter life and efficiency:Pleatco PH6 Filter Cartridge Intro Upgrade your pool or spa filtration with the Pleatco PH6 Filter Cartridge. Built with Pleatco's finest filtration fabric and a Free Flow Core, this cartridge delivers rapid turbidity reduction and superior dirt capture. The result is clearer water, fewer cleanings, and a more efficient system that reduces strain on your pump and lowers energy use over time. List of Features Premium filtration fabric traps finer