The same math the Poolably app uses, free in your browser. No signup, no email — enter your numbers and get a dose you can act on today.
Gallons for rectangle, round, oval, and kidney pools. The number every dose depends on.
CYA-aware free chlorine targets and exact doses for liquid chlorine, cal-hypo, and dichlor.
SLAM shock dose set to 40% of your CYA, for liquid chlorine, cal-hypo, and dichlor.
How much cyanuric acid to add — and when the only answer is draining water.
Pounds of salt to reach your SWG's target, in plain bags.
Daily run hours for one turnover, plus the monthly running cost of your pump.