Freshwater™ pH / Alkalinity DOWN 1.5 lbs. - Alkalinity and pH Decreaser Freshwater Smart Monitoring System Paper Hot Tub Filter is

Paper Hot Tub Filter is interchangeable with the Tri-X Ceramic Hot Tub Filter

works well for that

• Kawai

Spring Dance Hot Tubs recommends a CYA level at 40ppm or lower when converting a swim spa to the FROG system

• Hot Spring spas 1991-current

Freshwater™ pH / Alkalinity DOWN 1.5 lbs. - Alkalinity and pH Decreaser Freshwater Smart Monitoring System Paper Hot Tub Filter isFreshwater pH Alkalinity Down lowers the total alkalinity levels and the pH in your spa water to increase the effectiveness of your sanitizer as well as reduce the chance of equipment corrosion. Active Ingredient: 95% Sodium Bisulfate Size: 1. 5 lbs. Freshwater pH Alkalinity Down is compatible with all spa water sanitization systems including: silver ion granulated chlorine systems, salt systems, Frog @Ease, Frog Serene, granulated bromine, bromine