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Thread: Converting back to saltwater

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    Converting back to saltwater

    I've recently moved into a house that a friend inherited and the pool has a swg system already installed. The pool guy inexplicably started using liquid chlorine in the pool and shut off the swg system. So the pool has been lc for over a year now. We want to revert it back to using the swg and have a question:

    1. Do we need to empty the pool and refill it before turning the swg back on?

    Is there anything else we should do?

  2. Back To Top    #2
    Butterfly's Avatar
    Join Date
    May 2007
    South Carolina

    Re: Converting back to saltwater

    Welcome to the forum

    A SWG pool is a chlorine pool. Just the method of introducing the chlorine is different.

    Post a full set of test results, tell us how you got them, & we'll help you get balanced.

    We need:
    Borates (if you use borates)
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

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  3. Back To Top    #3

    In the Industry

    Join Date
    Feb 2012
    Phoenix, AZ

    Re: Converting back to saltwater

    You should not need to empty the pool before you turn your SWG back on. A SWG (or more accurately SWCG) stands for Salt Water Chlorine Generator. You are still sanitizing the pool with chlorine..just a different method of creating/adding it.

    Do you have a good test kit? If so, please post results and we can let you know if anything else should be done.

    PS Welcome to TFP!

  4. Back To Top    #4
    elwood58's Avatar
    Join Date
    May 2012
    Sun City West Arizona (2nd Home)

    Re: Converting back to saltwater

    You will likely need to add some salt. Assuming the SWG was working when shut off, you should be good to go, with maybe a Salt Cell cleaning for good measure.
    19204 Gallon L Shape with a 10X10 2nd Step Baja Ledge. Intellichlor IC-40, IntellipH, Cartridge Filter, Pentair Heater/Chiller (Heat Pump). Tons of Deck with Deck Jets. Construction Complete 6/5/17.

    "If you don't measure it, you can't manage it!"

  5. Back To Top    #5
    Mod Squad woodyp's Avatar
    Join Date
    Apr 2010
    East Texas

    Re: Converting back to saltwater

    Different brands of SWG require different levels of salt. TEST your pool BEFORE adding any too!
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
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