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Thread: How much water will leak to evaporation on inground 18x36?

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    How much water will leak to evaporation on inground 18x36?

    I have an inground 18x36 vinyl liner pool. I am losing about 3/4 to 1 inch per day. I have checked with dye and cant find a leak. Can anyone give me any suggestions? Thanks

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    Join Date
    Mar 2009
    Location
    Huntsville, AL
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    156

    Re: How much water will leak to evaporation on inground 18x36?

    There is an article on leak detection in the Pool School (the Pool School link is at the top, right corner of each page) that might help. Here is the direct link:
    http://www.troublefreepool.com/pool-...leak_detection
    27K gal, IG vinyl, 1.5 HP pump, 24" sand filter, Goldline Aqua Plus SWG

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    Re: How much water will leak to evaporation on inground 18x36?

    Thanks Gordiec... I see you are from Huntsville. I work in Huntsville.

    My leak is weird. I dont have air problems when the pump is running, which I think I should if I have a break in the piping somewhere. Its just that I have more of a leak when the pump is on than off. I just wondered if you lost more water to evaporation when the pump is running versus when it is turned off.

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    37,879

    Re: How much water will leak to evaporation on inground 18x36?

    Worst case evaporation is under 1/2" a day, so there is definitely a leak.
    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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    Re: How much water will leak to evaporation on inground 18x36?

    I found this post when I was trying to track down a leak.
    http://www.troublefreepool.com/next-...st-t19250.html
    16X32 AGP Kayak
    sand filter

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    Location
    SouthWest Alabama
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    22,347

    Re: How much water will leak to evaporation on inground 18x36?

    Since your leak is worse when the pump is on but you're not getting any air in the system your leak is on the discharge side of the pump. Check your waste line on your multiport when the pump is running to make sure it's not discharging water when it's not supposed to be. There have been several issues of that happening lately.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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