@Ease Smartchlor Replacement Cartridge Master Spas Legend Series Spa Marvel:

Spa Marvel:

Alkalinity helps keep your pH level stable eliminating erratic bouncing

you'll know when it's time to replace the SmartChlor™ Cartridge as it flips over

Spa Marvel Water Treatment and Conditioner is going to help maintain your water crystal clear for months at a time with little to no maintenance on a regular basis

especially in hard-water areas

@Ease Smartchlor Replacement Cartridge Master Spas Legend Series Spa Marvel:Includes: @EASE replacement smartchlor cartridge. Up to 75% less chlorine with no frustrating "Yo yo" chlorine levels. only shock once a month. Self regulates for continuous crystal clear water. Easy on hot tub surfaces with less orders. Single color match for easy reading exclusively with @ease test strips