- Hot Tubs & More
Bacteria thrives in hot water. To keep spa water protected all of the time, a residual sanitizer (like SpaGuard Chlorine) is needed even if the spa is equipped with an ozone system.
The sanitizing power of chlorination in concentrated granules that dissolve quickly and completely.
*6/24/21: Supplies of 5lb chlorine are currently limited due to packaging supply shortages, orders may be fulfilled with 2lb chlorine instead.
Prelude Version 2.3.2