Hot Tub Things Instant Cartridge Cleaner – 32 fl oz Spray-On Filter Degreaser

Spray-on Instant Cartridge Cleaner dissolves stubborn oils, lotions, grease, and mineral buildup from pleated cartridge filters—no soaking, scrubbing, or buckets required.

Scientifically engineered to match traditional soak cleaners: “just spray on and rinse off” delivers sparkling clean filters in 5 minutes—perfect for spring cleaning or seasonal resets.

Safety-tested by Hot Tub Things (America’s #1 spa chemical brand), it’s fully compatible with chlorine, bromine, ozone, and salt sanitizers—protecting spa water chemistry.

Regular use helps prolong filter lifespan, reduce pump energy costs, and maintain strong water flow and clarity between deep cleans.

Comes in a convenient 32 oz spray bottle with a cleaning cycle recommended every 4–6 weeks, or before each refill—keeping your spa ready for peak performance.