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Pool Chemistry Fundamentals Water Testing And Maintaining Clear, Clean, and Safe Water Water Testing And Maintaining Clear, Clean, and Safe Water.

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Presentation on theme: "Pool Chemistry Fundamentals Water Testing And Maintaining Clear, Clean, and Safe Water Water Testing And Maintaining Clear, Clean, and Safe Water."— Presentation transcript:

1 Pool Chemistry Fundamentals Water Testing And Maintaining Clear, Clean, and Safe Water Water Testing And Maintaining Clear, Clean, and Safe Water

2 Introduction Sanitation –Chlorine/Bromine, Ozone, etc. Water Balance –pH –Alkalinity –Calcium Hardness –Cyanuric Acid –Temperature –Total Dissolved Solids (TDS) Sanitation –Chlorine/Bromine, Ozone, etc. Water Balance –pH –Alkalinity –Calcium Hardness –Cyanuric Acid –Temperature –Total Dissolved Solids (TDS)

3 Sanitation Sodium Hypochlorite (Bleach) Calcium Hypochlorite Lithium Hypochlorite Gas Chlorine Trichlor Dichlor Bromine % Available Chlorine Content10-12%65-78%35%100%90%56-63%27% % Active Strength10-12%65-78%29%100%99% 95.50% pH in 1% Solution pH Effect in WaterRaises Lowers NeutralLowers Physical AppearanceLiquidGranular/TabsGranularGas Granular/T absGranular Granular/T abs Copyright National Swimming Pool Foundation 2009 Chlorine Cleans, Disinfects, and Keeps Water Clear. Ideal Range 2 – 4 ppm Chlorine Cleans, Disinfects, and Keeps Water Clear. Ideal Range 2 – 4 ppm

4 Water Balance pH Total Alkalinity Calcium Cyanuric Acid pH Total Alkalinity Calcium Cyanuric Acid

5 pH Adjustments pH Ideal Range 7.4 – 7.6

6 pH Adjustments (cont’d) pH Ideal Range 7.4 – 7.6 If Low Add Sodium Carbonate (Soda Ash) If High Add Muratic Acid

7 Total Alkalinity Total Alkalinity Ideal Range ppm If Low Add Sodium Bicarbonate If High Add Muratic Acid

8 Calcium Hardness Calcium Hardness 200 – 400 ppm If Low Add Calcium Carbonate If High, Drain Water and Refill

9 Cyanuric Acid Ideal Range Between 40 – 50 ppm Not Necessary in Spas or Indoor Facilities Maintains Chlorine’s Active Strength in the sunlight. Without it, more chlorine is required. If Low add Stabilizer If High drain and refill body of water Ideal Range Between 40 – 50 ppm Not Necessary in Spas or Indoor Facilities Maintains Chlorine’s Active Strength in the sunlight. Without it, more chlorine is required. If Low add Stabilizer If High drain and refill body of water

10 Summary Chlorine/Bromine 2 - 4ppm pH 7.4 – 7.6 Alkalinity 80 – 120 ppm Calcium Hardness 200 – 400 ppm Cyanuric Acid 40 – 50 ppm These will ensure safe, clean and clear pool water! Chlorine/Bromine 2 - 4ppm pH 7.4 – 7.6 Alkalinity 80 – 120 ppm Calcium Hardness 200 – 400 ppm Cyanuric Acid 40 – 50 ppm These will ensure safe, clean and clear pool water!

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