Hot Tub Things™ Instant Cartridge Cleaner - Spray-On Filter Cleaner (32 fl oz)

Hot Tub Things™ Instant Cartridge Cleaner delivers fast-acting results — simply spray, wait five minutes, and rinse for a deep clean without hours of soaking.

Removes built-up oils, lotions, grease, and mineral scale that clog filter pleats and reduce circulation efficiency.

Compatible with all major sanitizer systems including chlorine, bromine, and ozone.

Safe for all cartridge materials and filter types, helping extend filter life and maintain clearer spa water.

Quick maintenance solution for weekly use or whenever you notice reduced water flow or cloudiness.

Manufactured and tested by Hot Tub Things™ for spa professionals and home owners alike.