Pool Calculator with CSI and SaltPool Calculator with CSI, Salt, and SLAM Recommendation Pool Shape RectangleCircle Length (ft) 20Width (ft) 10 Diameter (ft) 20 Average Depth (ft) 5 Saltwater Pool? NoYes Current Salt Level (ppm) Current Chlorine (ppm) 3 Cyanuric Acid (CYA) (ppm) 30 Calcium Hardness (ppm) 200 Current pH 7.5 Total Alkalinity (ppm) 80 Water Temperature (°F) Total Dissolved Solids (TDS) (ppm) Have you performed an overnight chlorine drop test? NoYes Overnight Chlorine Drop (ppm) Results will appear here Category: ServicePrevious Post:Single Speed Pool Pump TDH Calculator