…400*** 90 – 300 Add calcium chloride Partially drain and refill pool* Weekly Cyanuric Acid (ppm) Up to 50 Below 30^ Add cyanuric acid Partially drain and refill pool* Weekly Salt Level (ppm) 4000 – 7000 4000 at 27ºC Add salt or minerals** Partially drain and refill pool* Monthly Metal N/A 0 N/A Use…