Spa Essentials Calcium Hardness Increaser (12 oz)
Spa Essentials Calcium Hardness Increaser provides spa owners with an easy and effective way to raise your Calcium Hardness in your spa or hot tub.
Spa Essentials Calcium Hardness Increaser raises and helps maintain the proper levels of calcium. When calcium levels are imbalanced it will cause corrosive damage to spa and hot tub equipment, fixtures and tub surfaces. This one step treatment will make owning and enjoying a spa easier and more convenient. Leaving time for you to enjoy your spa!
1 tsp per 100 gallons will raise calcium hardness by 8 ppm
Add Spa Essential Calcium Hardness directly to your spa or hot tub water by broadcasting it over the water surface
Do not pre-dissolve this treatment, heat is generated when this product contacts water