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Cracked Skimmer


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Some time ago Donald asked if cracks in the skimmer housing must be sealed. First it is important to understand that 90% of pool water leaks originate at either the skimmer or the light niche. Skimmer housings are constructed of plastic and are subject to cracks due to the stress imposed upon them by surrounding materials, temperature variations, settlement, and damage during construction of the pool. When cracks become evident they must be sealed. Failure to do so will result in water loss and resultant high utility costs. If the crack is substantial in size washout may occur resulting in pool deck settlement and cracks in the concrete. There are various commercially available materials which are capable of sealing most skimmer housing cracks. In cases where the crack has extended into or transferred to the piping below the pool deck may have to be jackhammered in order to remove and replace the housing. Fortunately, this is usually not the case. Skimmer cracks are fairly easy to locate using a flourescent dye available at most swimming pool supply outlets. If I've left out anything please let me know.


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