Easy-to-use cartridge containing an EPA-registered mineral formula that destroys bacteria while reducing chlorine or bromine use up to 50%.
1. Insert into filter cartridge, in filter well or in skimmer.
2. Lower your chlorine or bromine level to only 1.0 ppm.
3. Replace every 4 months when draining and refilling spa.
Tips: Always drain and refill spa and replace cartridge every 3 to 4 months. Leisure Time recommends cleaning the spa filter with Instant Cartridge Cleaner instant spray-on cleaner or Filter Clean deep-cleaning soaking formula.
Compatible With: Chlorine, bromine, ozone and non-chlorine shock.
Advantage: Use with lower levels of chlorine or bromine