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  1. C

    Help with chemistry

    Any help is appreciated...this is my first pool and it's a bit overwhelming! To the best of my ability to assume a volume, I come up with ~27000 gallons 18' wide X 37' long -- 8-1/2' deep X 3-1/2' shallow = 6' average Salt Water with new chlorinator new Unicel filters - 420 in. Here are my test...