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Thread: Pool Cover On, How Much Do I Need to Run SWG????

  1. Back To Top    #1

    Join Date
    Dec 2009
    Virginia Beach, VA

    Question Pool Cover On, How Much Do I Need to Run SWG????

    The leaves are starting to fall but my pool water is still 70 degrees so it's not time to close yet. I have a lot of trees and decided to go ahead and put my mesh safety cover on the pool (Merlin SmartMesh). Prior to doing that, I SLAM'd the pool and brushed down the walls, vacuumed, and removed the stairs and railings.

    My question is this. Now that my pool is covered, will I need to run my SWG much at all? I turned it down to 20% (usually run it at 60%) and haven't seen a drop in the FC yet (it was 9.5 when I covered) over the last 3 days. Should I just reduce my pump run time from 10 hrs to 2 hrs and set the SWG to 100%? A little advice would be greatly appreciated.

    Also, I'm going to be heading out of town for a week on Sunday, so I'd rather err on the side of not coming back to algae and having to remove the cover to SLAM and clean the pool. Thanks.
    30,000 Gallon Inground, Vinyl Liner
    DE Filter & Pentair IC40 SWG
    Pentair Legend Platinum w/ PB4 Booster

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: Pool Cover On, How Much Do I Need to Run SWG????

    It is trial and error. 10 hours is way more that you really need, but I am not that lowering the SWG that much is correct.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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