API® pH Up® slowly raises the pH of pond water (making it more alkaline) without harming delicate pond fish or aquatic plants. Slowly neutralizes acidic substances that cause low pH, which stresses pond fish and suppresses the activity of a biological filter.
Contains no algae-promoting phosphates
UPC Code: 317163161715
Application Instructions Test pH level before applying. Add 2 teaspoons of pH Up for every 50 gallons of pond water. For best results, add to water flow. Wait 24 hours, then test pH again. Repeat treatment as necessary.