Hayward AquaRite 100 AquaRite 100 Owners Manual - Page 10
Pool Chemistry
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Pool Chemistry The table below summarizes the levels that are recommended by The Association of Pool and Spa Professionals (APSP). It is important to maintain these levels in order to prevent corrosion or scaling and to ensure maximum performance from your AQR100 chlorine generator. Your authorized AQR100 dealer or most pool stores can provide you with the chemicals and procedures to adjust the water chemistry as well. Note that pool water emanating from wells and municipal water supplies, along with the introduction of environmental contaminants, can contain chemistries that are deleterious to the life expectancy of the Cell. CHEMICAL IDEAL LEVELS Salt Free Chlorine pH Cyanuric Acid (Stabilizer) Total Alkalinity Calcium Hardness Metals Saturation Index 1500 to 4500 ppm (3200 ideal) 1.0 to 3.0 ppm 7.2 to 7.8 Outdoor Pools 30-50 ppm Indoor Pools - 0 ppm 80 to 120 ppm 200 to 400 ppm 0 ppm -.2 to .2 (0 best) Saturation index The saturation index (Si) relates to the calcium and alkalinity in the water and is an indicator of the pool water "balance". Your water is properly balanced if the Si is 0 ± 0.2. If the Si is below -0.2, the water is corrosive and plaster pool walls will be dissolved into the water. If the Si is above +0.2, scaling and staining will occur. Use the chart below to determine the saturation index. Si = pH + Ti + Ci + Ai - TDS °C °F Ti Hardness Calcium Ci Total alkalinity Ai Total Dissolved Solids TDS 12 53 0.3 75 16 60 0.4 100 125 19 66 0.5 150 24 76 0.6 200 250 29 84 0.7 300 34 94 0.8 400 600 39 102 0.9 800 1.5 75 1.6 100 1.7 125 1.8 150 1.9 200 2.0 250 2.1 300 2.2 400 2.4 600 2.5 800 1.9 0-1000 12.10 2.0 2.1 1001-2000 12.29 2.2 2.3 2.4 2001-3000 12.35 2.5 2.6 3001-4000 12.41 2.8 2.9 4001-5000 12.44 Use: Measure the pH of the pool water, the temperature, water hardness, total alkalinity, and total dissolved solids. Use the table above to determine Ti, Ci, Ai, and TDS in the formula shown above. If the Si is equal to 0.2 or more, stains may appear. If the Si is equal to -0.2 or less, corrosion or deterioration may occur. -0.2 Corrosion 0.2 Stain Ok 9 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS