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Thread: Circulation for overflow pool

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    Join Date
    Nov 2015

    Circulation for overflow pool

    Hi Everyone,

    I recently moved into a new house that has a perimeter overflow pool that is being maintained by a pool company. We have been having constant problems with water clarity and algae and the maintenance guy has told me it is because the pumps are only drawing water from the surge tank and that is causing problems with the water circulation so he has opened the valve from the main drain 50% and the valve from the surge tank 50% and said this will resolve the issue. The only problem is by doing this it greatly reduces the amount of water passing over the edge. I have spoken to a few people that have said that the main drain on an overflow pool is only used for emptying the pool and the valve should stay closed when under normal operation. Any advise would be greatly appreciated.

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    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Circulation for overflow pool

    Welcome to the forum.

    Algae only grows in a pool where the chlorine is inadequate. At some point, your folks must address the chemistry issues and then work on the mechanical issues.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  3. Back To Top    #3
    Mod Squad kimkats's Avatar
    Join Date
    Jul 2012
    Tallahassee, FL

    Re: Circulation for overflow pool

    Where is UAE?

    I bet you could do a much better job of taking care of your pool than the pool company has. YOU have TFP to help you!

    Share a picture of your pool and equipment and we might be able to help with the circulation.

    BUT like Dave said---------the chemistry HAS to be taken care of first!

    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

  4. Back To Top    #4

    TFP Guide

    bmoreswim's Avatar
    Join Date
    Jul 2012
    Central MD

    Re: Circulation for overflow pool

    United Arab Emirates?
    18'x38' Rectangle (3'-8 1/2' deep w/ diving board) - 27K gal. w/ gray plaster
    Hayward equipment (cartridge filter, 2-speed pump, SWCG, automation) View Our Build
    Coverstar automatic pool cover | StoneMakers concrete retaining wall and decking | Merlin SmartMesh winter safety cover
    Spring 2013 Build | Dolphin Active 20 robot cleaner | Support TFP!

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