Pool Water Temperature
Recommended Maximum Pool Water Temperatures
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Competitive swimming & diving, Fitness swimming, Training . . 27 deg C - (80.6 deg F)
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Recreational, Adult teaching, Conventional main pools . . . . . . . 28 deg C - (82.4 deg F)
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Childrens teaching, Leisure pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 deg C - (84.2 deg F)
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Babies, Young children, Disabled & handicapped. . . . . . . . . . . . .30 deg C - (86.0 deg F)
The Pool Hall should always be 1 deg C ( 2 deg F) above water temperature at 55% - 65% RH. (Except hot water & Hydrotherapy Pools)
High water temperatures are usually unnecessary and may cause damage or reduce the life span of many items of pool equipment. Liners may lose their elasticity, - pool covers will have a reduced life, - plastic fittings may become brittle and break, - filter underdrains or laterals may become distorted or damaged, - socket unions may loose their shape and leak, - water valves may fail or break, - plastic pipework may become distorted, - excessive evaporation may be lost from the water, - heating costs may be excessively high, - chemical consumption will usually increase, and microbiological activity will increase.
It is quite poss. that new reg. have been brought in, by the gov, as they have brought in max. winter temps. for bars of 26c & min. summer temps with a/c 0f 21c in the interests of energy saving/global warming/climate change, take your pick.