When the pH level in your pool exceeds 7.8 pH, your water is considered to have high pH. This means that your water is now too soft and there can be consequences. A high pH level can be caused by several factors, the main culprits being additional chlorine stabilizers and sudden increases in temperature. In addition, high pH runs a risk with your chlorine, as your chlorine will no longer disinfect fully. There are also physical consequences of high pH for swimmers. Red irritable eyes, dry skin and premature wear and tear of goggles and bathing suits are often indicative of a high pH level.
As pH is the most dynamic factor at play in your pool water, everything that enters your pool will affect it. If your pH is too high, you’ll need a chemical that will decrease it.
pH Reducer for Swimming Pool & Spa
Safer than Muriatic Acid
Aqua Care Dry Acid
₱2,800.00
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Form/Composition: White granular crystalline powder, typically 91%–95% Sodium Bisulfate (CAS: 7681-38-1).
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Purpose: Effectively reduces high pH and total alkalinity to keep water safe (ideal pH 7.2–7.6).
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Benefits: Safer to handle, store, and transport compared to Muriatic (Hydrochloric) acid.
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Usage Rate: A general guideline is 2 pounds (approx. 0.9 kg) to lower alkalinity by 10 ppm in 10,000 gallons of water.
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Application: Pre-dissolve in a bucket of water, then pour around the pool perimeter. Do not add directly to the skimmer.
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Precautions: Corrosive. Wear protective equipment (goggles, gloves) and avoid inhalation.