Every pool chemistry number you need — volume, chlorine dose, shock target — calculated correctly and explained clearly.
Find your pool's gallons by shape — rectangle, oval, round, kidney, or L-shape. Includes sloped-bottom, spa, and tanning shelf options.
How much liquid chlorine or cal-hypo to add to reach your target FC. Supports 10%, 12.5%, cal-hypo 65%/73%, and trichlor.
Find your shock target (CYA × 40%) and how much chlorine to reach it. The shock level depends on your CYA — not a fixed number.
How much muriatic acid to lower pH or total alkalinity. Supports 31.45% and 14.5% strengths.
How much baking soda to raise total alkalinity to target.
Coming soonHow much water to drain and refill to bring CYA down to a target level.
Coming soon
