The FROG® @ease® for Bullfrog Spas, Classic SmartChlor cartridges are designed specifically for Bullfrog Spas X Series, STIL, and R Series spas, along with A Series spas made before the 2023 model year. If your spa features dual cylindrical filters, these are the cartridges for you.

The FROG @ease system offers a self-regulating water care experience that is easier than ever.* SmartChlor® technology uses up to 75% less chlorine, maintains chlorine at significantly lower levels, and reduces the frequent need for hot tub maintenance.

This package includes 3 SmartChlor replacement cartridges. To be used in conjunction with the blue mineral cartridge from the FROG @ease for Bullfrog Spas, Classic System Kit.