What the tool does, how to run it, and what to expect from the result.
A gallon of water weighs 8.34 lb, and 1 ppm is one part per million by weight. Salt needed in lb = gallons × (target − current ppm) × 8.34 ÷ 1,000,000. 20,000 gal from 1,500 to 3,200 ppm: 20,000 × 1,700 × 8.34 ÷ 10⁶ = 284 lb. Add it gradually and retest after 24 hours of circulation.
A quick way to understand who this helps, what it solves, and where it connects next.
Homeowners, DIYers and contractors estimating materials before a store run.
Using the pool salt calculator without installing anything or signing up.
Short answers for the questions people usually have before trying a utility like this.
Most chlorinators want 2,700-3,400 ppm, with 3,200 a common target. Check your cell’s manual.
Drain part of the pool and refill with fresh water; salt does not evaporate.
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Enter your numbers and the result updates live in your browser. Nothing is uploaded and no server is used.
Check your chlorinator’s manual for its target range; most ask for 2,700-3,400 ppm.