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Thread: How much salt to add

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    How much salt to add

    Just had a 27 ft pool installed today. After it is full how much salt 40lb bags do I need to start with?
    ababab

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
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    37,887
    To raise salt by 3000 in a 27' by 4' deep round pool will take about 10 1/2 40 lb bags of salt. However, you can't always count on the water starting with zero salt or the calculation being exactly right, so I would start with 8 bags and then test the salt level to see where you are and adjust from there.

    You can use my Pool Calculator, see the link in my signature, to make this kind of calculation.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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