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Pool Supplies Canada's pH Down will lower the pH level of your swimming pool water. Maintain a pH level of between 7.2 - 7.8 to keep water safe for swimming and prolong the life of pool equipment.
Directions for use:
1. Add 100g of PH Down for every 10,000 L of pool water when your Ph level rises above 7.8. Test every 2 hours; repeat dose and procedure until a Ph level of between 7.2 and 7.8 is reached.
2. Sprinkle on the surface of the water. When, after superchlorination of pool water the chlorine count is high, dissolve pH Down in water first. The degree of acidity or alkalinity of the water is important. A high pH level over 7.8 will cause scaling and decrease the efficiency of chlorine. A low pH level under 7.2 causes corrosion of the metal content in pool water and of metal equipment in contact with pool water (in particular where more than one metal is present), as well as increasing the possibility of irritation to the nose, throat, and eyes of bathers. The pH level is especially important when pool water is recirculated through a heater, in order to prolong the life of the heat exchanger. The ideal pH level is between 7.2 and 7.8 and pH should always be adjusted before adding chlorine to the pool water.
10,000 L is equal to approximately 2,200 Gallons.
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