Unicel C-9650 Filter Cartridge Chemical Type_Balancer It helps prevent scale build

It helps prevent scale build up and rust

NOTE: Not for use with Frog @ease

A properly balanced alkalinity level will also give swimmers much more comfortable water with minimal skin or eye irritation

You can slowly and safely reduce pH and total alkalinity with Lo N Slo

Unicel C-9650 Filter Cartridge Chemical Type_Balancer It helps prevent scale buildUnicel filter cartridges are simply the finest replacement filters you can buy for your pool or spa, being made of the finest materials to meet or exceed OEM filters. Its heavy duty polyester is designed to last far longer than cheaper alternatives, while having more pleats to improve filtering capacity. Best of all, Unicel filters are made right here in the USA for the highest possible quality, allowing you to buy with confidence.