Frog @Ease SmartChlor Cartridge (3 Pack)

SmartChlor™ Cartridges 3-pack refill for the Spa Frog @Ease Floating System.

The SmartChlor™ time-release technology maintains a consistent low chlorine level for weeks, up to 75% less.

Self-regulating, so It goes to work when the hot tub needs sanitizing, with no frustrating yo-yo chlorine levels.

When the SmartChlor™ cartridge is depleted, the system flips over, telling you to replace the empty chlorine cartridge with a new one.

(3) Chlorine refill cartridges - each lasts up to 4 weeks

Product notes: For hot tubs up to 600 gallons.

Fully submerge and shake @ease unit to release bubbles after replacing chlorine cartridge.