Spa Water Chemistry - Bromine Tablets | Spa Covers Etc.
Spa Water Chemistry Bromine : Chemical used to sanitize water. A level of 3.0 to 5.0 ppm should be maintained. pH (potential Hydrogen) : A scale of 1 to 14 that measure the alkalinity of the water. A reading below 7.0 equals acidic water and will cause etching of the plaster, staining and corrosion to the metal pipes and heater and could be irritating to swimmers. If the pH is above 8.0 the water will be cloudy, scale will build up along the tile and in the pipes. The filter will become clogged and circulation will diminish. A high pH also makes chlorine less efficient but Bromine works OK at a pH of 8.0. In A Fiberglass spa keep the pH at 8.0 or above. Acid Demand : If the pH is above 7.8, use the #3 test solution 1-drop at a time to determine how much acid is required to bring the pH down to the ideal range of 7.4 to 7.6. Count the number of drops and compare against the chart in the test kit to determine how much acid. NOTE *** Dry acid is preferred when adju...
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