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The Serene (Bromine) cartridge is the active sanitizer in this system
• Guardian 409-219
The Freshwater™ Salt System Replacement Cartridge (3) Pack for Caldera and Hot Spring hot tubs that use the in-line Freshwater salt system
the effectiveness of the free chlorine sanitizer (FCL) goes down
• Envoy KK 2007-2013
Freshwater™ MPS Chlorine-Free Oxidizer 5 lbs - For Salt System Hot Tubs Tri-X Filter The Serene (Bromine) cartridge isPLEASE READ: AS PER PA DOT REGULATIONS, THIS ITEM IS CONSIDERED HAZMAT AND CAN'T BE SHIPPED. This item cannot be ordered in our webstore due to shipping restrictions. Freshwater MPS Chlorine Free Oxidizer is an efficient non chlorine oxidizer, also known as shock, that will help the chlorine sanitizer in your hot tub work more efficiently and effectively by freeing up chlorine that has become combined with contaminants in the water, such as dust and
US$ 204.95
US$ 109.90
US$ 123.90
