FreshWater Defoamer | Hot Tub Foam Treatment Type_Pizza Peel The FROG® Serene Cartridge Kit

The FROG® Serene Cartridge Kit is the multi-pack refill for FROG's bromine-based Serene system — three bromine cartridges and one mineral cartridge

enzymes work continuously in the background — quietly digesting the organic load before it has a chance to build into a greasy waterline ring or a stale smell

and gives sanitizer the clean media surface it needs to actually trap the particles it's supposed to remove

Locks together in seconds

FreshWater Defoamer | Hot Tub Foam Treatment Type_Pizza Peel The FROG® Serene Cartridge KitFreshWater Defoamer is a fast acting, oil free silicone formula that knocks down foam on spa water in seconds. Spray or pour directly onto active foam, watch it break down and disappear, and you have your water surface back. One 16 fl oz bottle handles dozens of typical foaming events for most spa owners. Foam in a hot tub is almost always a symptom of organic surfactants in the water body oils, sunscreen, lotion, hair products, residual laundry soap