SWIMMING POOL TROUBLESHOOTING
Contents
1. SWIMMING POOL TROUBLESHOOTING Algae growth Calcium hardness too high Scale formation Calcium hardness too low Pool grouting soft or eroding Cloudy water Chlorine level low difficult to maintain Chlorine reading is zero using test kit despite chemical additions Chlorine level is high Green staining pH level high pH level is erratic Pool walls feel slimy Scale forming on pool surfaces Sharp edges surrounding tiles Total Alkalinity low Sanitiser level low Sunlight dissipating sanitiser High pH reducing sanitiser effectiveness Not using preventative algaecide Build up of calcium salts Soft mains water supply Build up of swimmer pollution Inadequate sanitiser levels Cyanuric acid too high Ineffective filtration Water not balanced correctly Lack of sanitiser cyanuric acid High bather load prolonged hot weather Chlorine level may be too high bleaching test reagents Chlorine demand very high build up of pollutants Over chlorination Copper in pool water precipitating High pH of mains water Alkaline shock treatment being used Total Alkalinity level too low Algae growth Water out of balance Tile grout eroded by soft water
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