Chloride

…Sodium Bicarbonate Add Muriatic or Dry Acid Weekly Calcium Hardness (ppm) 90 – 300 Concrete & Tiled Pools:200-275 Other Surfaces100-225 Add Calcium Chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 30 – 50 Add Cyanuric Acid Partially drain & refill pool Regularly Salt Level…