Rapid-dissolve effervescing tabs that effectively oxidize non-living organic waste and contaminants in spa water.

Buffered to prevent pH bounce, ensuring water balance remains stable after application.

Pack contains 1.25 lb of single-dose 1″ tabs—ideal for weekly treatments in typical residential spas.

Convenient and mess-free—simply drop a tab into the filter well while the pump runs, and let it work.