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Thread: Water Evaporation or Pool Leak

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    Join Date
    Jun 2009
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    Kentucky
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    Water Evaporation or Pool Leak

    1st I have to say I love this site!!! for the last 2 weeks I have found some great advice.

    My husband and I are at a stale mate. Our pool has been filled and in operation for exactly two weeks. When we filled it up we made sure that the water was in the middle of the suggested two lines on the skimmer. Today I went out to check the chemicals and noticed that the pump was acting funny. After investigating I noticed that the water level had dropped below the suggested line. It was about a 2.5 inches of loss water. There are no wet spots around the pool. For the last 3 days, the weather has been mild to cold with no rain. We have not been in the pool in two days because of the weather being so cold. We also run the pump 24hrs. Until today our chemicals have always been great.

    Can you pool lose that much water of 2 weeks. Do you periodically have to put more water into your pool? and do you need to run the pump for 24hrs or can you just run it for 8 or 12 hrs

    Any guidance is appreciated
    Above Ground Doughboy Dessert Springs
    Oval 16x28 Pool; 10500 Gallons
    Hayward Sand 2hp pump; Frog Mineral System

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    reebok's Avatar
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    Apr 2009
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    Lakeland, FL
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    Re: Water Evaporation or Pool Leak

    pool school has some good information on both of those issues. the link is in the top right of every page.

    pool-school/

    pool-school/leak_detection

    pool-school/pump_run_time
    16x32 21,000 gallon in-ground exposed aggregate, 1.5hp pump, 120 sqft catridge filter, birdcage, solar panels, aquavac tigershark qc robot.

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    Join Date
    Jun 2009
    Location
    Kentucky
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    Re: Water Evaporation or Pool Leak

    Thanks for the info

    My DH and I went back out and looked all around he pool and under the deck. I am 98% sure we don't have a leak.

    Is it common for you to have to add more water to the pool after 2 weeks?
    Above Ground Doughboy Dessert Springs
    Oval 16x28 Pool; 10500 Gallons
    Hayward Sand 2hp pump; Frog Mineral System

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    Join Date
    Mar 2009
    Location
    Glendora, California
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    169

    Re: Water Evaporation or Pool Leak

    2 weeks doesn't sound like a problem to me. Here in So Cal I'm adding water at least once a week! I think that's just evaporation, but you can do a bucket test to know without a doubt.
    18k Inground Plaster pool / TriStar Variable Speed Pump and Controller
    48sq ft Hayward DE filter/ Swim pure Plus 40k cell / Kreepy Krauly
    Solaxx Ph-Tek

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    Join Date
    Apr 2007
    Location
    Arizona
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    924

    Re: Water Evaporation or Pool Leak

    Don't know where you are but here in Phoenix, we can lose 1 to 3 inches in one day from evaporation in the summer. In the winter I lose maybe an inch every week or 2.
    Buggs

    14,000 gallon, in ground, plaster, free form, play pool.
    Sta-Rite Max-E-Glass with a 1.5 hp Emerson motor
    WaterCo Micron High Rate sand filter S750 490 lb, 4883 sq ft - using ZeoBest
    In floor Polaris cleaning system
    Blue Diamond robot for those after storm days when I can't wait overnight for the in floor to clean it.

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    Mod Squad Bama Rambler's Avatar
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    Re: Water Evaporation or Pool Leak

    It's not unusual to loose that much water due to evaporation.
    The bucket test is the best way to tell that it's evaporation.

    Take a bucket and fill it about 2/3ds full of water. Sit it on the top step and either mark the water level or measure it precisely. Then mark or measure the water level in the pool. The next day measure how much the level in the bucket and the pool has dropped. Compare the two and they should have the same amount of drop. Don't run fountains or such during this time.

    I did ours for two days. The funny thing is that the bucket lost 1/16" more water than the pool did.
    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

  7. Back To Top    #7

    Re: Water Evaporation or Pool Leak

    I am in MN.. very humid.. I lose 2-4 inches a week.
    2003 Coleman MAAX Collection Model 706 - 400gal

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