Liquid chlorine (sodium hypochlorite, sold as 10% or 12.5% pool chlorine, or 6% to 8.25% household bleach). Pick your pool size for a full dose table, or use the calculator for any volume.
| Pool size | Dose |
|---|---|
| 1,000 gallons | 1.3 fl oz per 1 ppm |
| 2,000 gallons | 2.6 fl oz per 1 ppm |
| 5,000 gallons | 6.4 fl oz per 1 ppm |
| 6,000 gallons | 7.7 fl oz per 1 ppm |
| 10,000 gallons | 13 fl oz per 1 ppm |
| 15,000 gallons | 19 fl oz per 1 ppm |
| 18,000 gallons | 23 fl oz per 1 ppm |
| 20,000 gallons | 26 fl oz per 1 ppm |
| 25,000 gallons | 32 fl oz per 1 ppm |
| 30,000 gallons | 0.3 gal per 1 ppm |
Add
0.6gal
of Liquid chlorine 10%
77 fl oz2.3 L
Raises free chlorine from 2 ppm to 6 ppm in 15,000 gal. Best added at dusk.
Check the product label. Strengths vary by brand, so enter the % printed on yours. Add one chemical at a time, into the water, and never mix chemicals.
With CYA at 40 ppm: minimum free chlorine 3 ppm, target 6 ppm, shock level 16 ppm. FC/CYA chart
Save this test and get reminded when it is time to retest.
Pool Calc for iPhoneComing soon to the App Store