How many gallons are in a swimming pool?

Number of gallons in a rectangular pool = Length (in feet) x width (in feet) x average depth (in feet) x 7.4; Number of gallons in a circular or rounded p. = (the same three variables) x 6 Do you need to drain a swimming pool to change from a chlorine to a salt water? It is not necessary to drain it to change it over to salt water but we would suggest that we do so in order to put fresh water into it and avoid the already chlorinated water entering the chlorinator.

Remember that it is best done by a professional company such as APC, especially with larger and older pools where ground cracking issues create an issue known in the trade as "pool pop". The pool literally reacts much as a boat hull and attempts to float on the water table as it rises. This is very common in rainy season.

It is a very specialized issue that needs detailed inspection and something an owner should work closely with a professional on before attempting. How do you drain a swimming pool? We recommend that you ... more.

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