HELPS PREVENT CORROSION OF YOUR SPA'S PLUMBING AND HEATER!
Low calcium levels can cause staining on your spa's surface as well as corrosion in spa lines and equipment.
When the calcium level of your spa water drops below 200 ppm, just add Calcium Increaser.
Dosage: 1 oz. per 500 gallons.
Available in a 2 lb. container
Rated 4 out of
hardness increaserWorks great. It took 2 trys to get the hardness into the ideal zone on the test strips. Since there is no hardness decreased, I wound recommend adjusting the hardness up a little at a time.