LifeLine Calcium Hardness Increaser 15lb testing it gets your pool swim-ready

it gets your pool swim-ready in hours

This bulk 12lb granular calcium chloride from BioGuard's Balance Pak line quickly raises calcium hardness to the ideal 200-400 ppm range

Gasket: Ultra-soft silicone

Simple twist on/off operation and no complex setup—just place in the pool and enjoy

leak-resistant connection on JetPaks manufactured from 2017 to the present

LifeLine Calcium Hardness Increaser 15lb testing it gets your pool swim-readyLifeLine Calcium Hardness Increaser 15lb LifeLine Calcium Hardness Increaser 15lb is a granular calcium chloride product used to raise calcium hardness in pool water, helping prevent corrosion, etching, and other damage caused by soft or underbalanced water. By keeping hardness in the recommended range (commonly about 200400 ppm, minimum around 150 ppm), it supports longterm protection of plaster, vinyl, and equipment while improving overall water