Sundance Spas SunPurity Mineral Spa Sanitizer Type_Water Seat before you drain — not

before you drain — not after you refill

The sturdy construction ensures that they can withstand high temperatures without warping or bending

Owners who follow that pattern get 2–3 years out of cartridges that owners who only rinse get 6–8 months out of

This pillow does have a groove at the bottom

Sundance Spas SunPurity Mineral Spa Sanitizer Type_Water Seat before you drain — notSundance Spas SunPurity Mineral Spa Sanitizer Overview The SunPurity mineral spa sanitizer has been designed to work exclusively in Sundance Spas by utilizing water flow through the Sundance filter system. SunPurity mineral spa sanitizer treated water is brilliantly clear and soft. An alternative to chlorine when used in combination with MPS. Ends chlorine hassle when used in combination with MPS, and improves water quality. Lasts up to 4 months.