Pool Shock Calculator ⚡ Pool Shock Calculator Calculate exact doses for breakpoint chlorination and algae treatment. Cal-Hypo & Liquid Non-Chlorine Shock Breakpoint calculation Based on APSP standards. Shock target = 10x combined chlorine. 1 Pool size 2 Chlorine levels 3 Shock type What shape is your pool? Rectangle Round Oval Kidney L-shape I know gallons … Continue reading How much Chlorine to Shock a Pool?