Pool Chemical Dosing Chart by Pool Size

Find your pool size, then read across. Each column is one step of change, so double it for twice the change: raising chlorine from 1 to 4 ppm is three times the “+1 ppm” amount. Don't know your gallons? Use the pool volume calculator.

Every number comes from our calculators, which list their sources. For an exact amount for your pool and your product's strength, use the calculator linked in each column.

Prints on one page. Choose “Save as PDF” to keep a copy.

Pool chemical dosing chart

My pool ____________ galAmounts per step of change. Add half, retest, then add the rest.
Pool sizeChlorine +1 ppm10% liquidChlorine +1 ppm65% cal-hypopH −0.231.45% muriaticpH +0.2soda ashAlkalinity +10 ppmbaking sodaStabilizer +10 ppmcyanuric acidSalt +400 ppmpool salt
5,000 gal6.4 fl oz1 oz6 fl oz3 oz11 oz6.7 oz17 lb
10,000 gal12.8 fl oz2.1 oz12 fl oz6 oz22 oz13 oz33 lb
15,000 gal19 fl oz3.1 oz18 fl oz9 oz2 lb 2 oz20 oz50 lb
20,000 gal26 fl oz4.1 oz24 fl oz12 oz2 lb 13 oz27 oz67 lb
25,000 gal1 qt5.1 oz30 fl oz15 oz3 lb 8 oz2 lb 1 oz83 lb
30,000 gal1 qt 6 fl oz6.2 oz1 qt 4 fl oz18 oz4 lb 3 oz2 lb 8 oz100 lb
40,000 gal1 qt 19 fl oz8.2 oz1 qt 16 fl oz24 oz5 lb 10 oz3 lb 5 oz134 lb

Muriatic acid figures assume full-strength 31.45% acid; check the % on your jug. Pool salt in 40-lb bags. Wear goggles and gloves. Never mix acid and chlorine. Follow every product label.

Pool Chemical Dosing Chart by Pool Size · SplashSense · www.splashsense.com/printables/pool-chemical-dosing-chart

How to use the chart safely

  • Add one chemical at a time with the pump running, and let it circulate before the next. Never mix acid and chlorine.
  • pH amounts are a rule of thumb from county health departments. The real amount depends on your alkalinity, so add about half, wait an hour and retest.
  • Stabilizer and salt only come down by draining, so add a little less rather than more.
  • Product labels come first. If your jug or bag is a different strength, use the chlorine calculator.

Calculators for exact amounts: Chlorine · pH · Alkalinity · Stabilizer · Salt

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