Easy-to-use cartridge containing natural purifying minerals known to help control bacteria and prevent algae.  

Features:

• Simplifies water care by reducing sanitizer demand
• Improves filter efficiency
• Formulated for use with bromine, chlorine, ozone and non-chlorine shock
• Fits most filters
• Lasts up to four months in spas up to 1000 gallons

Applications:
Installation:
1. Insert into filter cartridge, in filter well or in skimmer.
2. Lower your chlorine or bromine level to only 0.5 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 Clean instant spray-on cleaner or Filter Clean deep-cleaning soaking formula.

Compatible With:
Chlorine, bromine, ozone and non-chlorine shock.