Pool Chemical Dosing Calculator
Calculate the exact amounts of chemicals to maintain your pool.
All calculations are for informational purposes only and serve as a guide. Consult a professional for precise data.
Pool Volume
Or enter dimensions
pH Adjustment
7.2
7.4
Chlorine Dosing
Safety Warnings
- ⚠Always wear protective gloves and goggles when handling pool chemicals.
- ⚠Never mix different chemicals directly — always add them to water separately.
- ⚠Add chemicals to the pool when no one is swimming and let it circulate for at least 4 hours.
- ⚠Store chemicals in a dry, cool place, out of reach of children.
- ⚠Check pH and chlorine levels at least 2-3 times per week during the season.
Frequently Asked Questions About Pool Chemistry
- What is the ideal pH for a pool?
- The ideal pH for a pool is between 7.2 and 7.6. A value of 7.4 is considered optimal as it is close to the pH of human eyes and mucous membranes, reducing irritation.
- How much chlorine should a pool have?
- The recommended free chlorine level is between 1.0 and 3.0 mg/L (ppm). For regular maintenance, aim for 1.5-2.0 mg/L. Levels should never drop below 1.0 mg/L.
- When should you shock treat a pool?
- Shock treatment is recommended at the start of the season, after storms, when the pool has been heavily used, when water is cloudy or green, and once a week during hot summer days.
- Why is pool pH important?
- pH affects chlorine efficiency, swimmer comfort, and equipment longevity. Low pH can corrode equipment and irritate skin, while high pH reduces chlorine effectiveness and can cause cloudy water.
- How often should you check pool chemistry?
- During swimming season, pH and chlorine should be checked 2-3 times per week. Alkalinity and calcium hardness should be checked monthly. Do a complete water analysis at the start and end of the season.
