Cal Rise Size:680g Diameter: 4-15/16"

Diameter: 4-15/16"

Reusable for up to 38

MICROBAN 2013

-Weighted back for placing virtually anywhere in the spa for additional comfort & relaxation

-Luxurious vinyl headrest with soft foam insert

Cal Rise Size:680g Diameter: 4-15/16"SpaBoss Cal Rise is completely soluble in water and easily raises the calcium hardness level in your hot tub a capful at a time. Testing your spa or hot tub water regularly will help you keep an eye on this very important part of healthy, clean water. Your hot tub can be damaged with corroded metal surfaces such as pipes, filters, screws, lights, and other hot tub hardware that is in contact with water that has a calcium hardness level below the