pH Down 2.5 lb (EZC-50-7003)
Lower your pool pH safely with E-Z Clor pH Down dry acid. High pH reduces chlorine effectiveness by up to 75% and causes cloudy water and scale buildup. This granular sodium bisulfate formula works fast without the dangerous fumes of muriatic acid.
Lower pH Safely — No Dangerous Fumes
When your pool pH climbs above 7.6, your chlorine becomes dramatically less effective — at pH 8.0, only about 22% of your chlorine is active. High pH also causes cloudy water, calcium scale on tile and equipment, and rough, irritating conditions for swimmers. E-Z Clor pH Down uses sodium bisulfate (dry acid) to bring pH back into the optimal range without the hazardous fumes, splashing risk, and storage headaches of liquid muriatic acid.
Key Benefits
- Granular dry acid is far safer to handle and store than liquid muriatic acid
- No dangerous hydrochloric acid fumes — safer for you and your pool area
- Lowers pH rapidly to restore full chlorine sanitizing power
- Also useful for lowering total alkalinity when applied in concentrated doses to one spot
- Convenient 2.5 lb jar with screw-top lid for precise dosing
How to Use
Test your pool pH. If above 7.6, add 6 oz of pH Down per 10,000 gallons to reduce pH by approximately 0.2 points. Broadcast over the deep end with the pump running. Avoid adding near metal fixtures or steps. Wait 4 hours before retesting. For alkalinity reduction, dissolve 1 lb in a bucket of pool water and pour it in one concentrated area of the deep end with the pump off, then turn the pump on after 1 hour.
Specifications
- Active ingredient: Sodium bisulfate (dry acid)
- Weight: 2.5 lbs
- Form: Granular, screw-top jar
- Dosage: 6 oz per 10,000 gal = ~0.2 pH decrease
- Target range: pH 7.4–7.6
