Leisure Pool Calcium Hardness Increaser (Calcium Chloride, Flakes) | 50 lb. Pail

✅ Calcium Chloride (Dry Granules) commonly known as Calcium Hardness Increaser, will raise calcium hardness levels in commercial and residential swimming pools and spas. ✅ DOSING INSTRUCTIONS: 1.1 lb. per 10,000 gallons will raise CH levels by 10 ppm. ✅ OTHER USE(S): ICE MELT, DUST CONTROL, CONCRETE ACCELERATOR