Calcium Hardness Increase
Liquid Hardness Increaser
Calcium Hardness Increase is used to increase calcium hardness in water that has low levels of hardness. Low hardness can corrode the Softub equipment pak and cause permanent wrinkling in a Softub or SplashTub vinyl lined spa is 150-400 ppm.
DIRECTIONS FOR USE
1. Determine current calcium hardness levels using a test kit for hardness.
2. With jets on, pour the proper amount of Calcium Up into the Softub spa water. Note: 1/2oz. of Calcium Hardness Increase in 250 gallons of water increases hardness by 7ppm.
3. Test Softub water after twenty min. to confirm that the calcium hardness is within the proper range. If still low, repeat procedure above.
CAUTION: Contains calcium chloride. Skin and eye irritant. Harmful if swallowed. Avoid prolonged contact with the skin.
KEEP OUT OF REACH OF CHILDREN