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Thread: How much water loss is acceptable?

  1. Back To Top    #1

    Join Date
    Sep 2016
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    Lancaster, CA
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    87

    How much water loss is acceptable?

    Hey,

    In one month of owning a pool, I have to add water it seems every week or two because it's dropping an inch or more every week or two. I didn't track it closely though.

    So I went on a 5 day trip, and came back and it lost at least an inch, probably closer to two.

    I haven't been keeping a cover on it, it's still will into the 90s still here, can evaporation do that much loss? Do I have a leak somewhere? There is no visible leaking with any of the pool equipment or external piping.


    ~14k Gallon IG Plaster (old)
    Hayward DE 4280 Filter
    Pentair Superflo SS Pump
    Built 1993
    Old Broken Heater that needs to get replaced!

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    Mod Squad pooldv's Avatar
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    Aug 2012
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    DFW, TX
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    Re: How much water loss is acceptable?

    1/8"-1/4" is typical evaporation.
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

  3. Back To Top    #3

    Join Date
    Sep 2016
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    How much water loss is acceptable?

    Quote Originally Posted by pooldv View Post
    1/8"-1/4" is typical evaporation.
    Per day?

    I also forgot to mention my plaster is really old and needs to be replaced. Does that play into loss?

    ~14k Gallon IG Plaster (old)
    Hayward DE 4280 Filter
    Pentair Superflo SS Pump
    Built 1993
    Old Broken Heater that needs to get replaced!

  4. Back To Top    #4
    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    Location
    DFW, TX
    Posts
    20,373

    Re: How much water loss is acceptable?

    Yes, per day. Yes, old plaster can start to get a little leaky.
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

  5. Back To Top    #5
    Mark R's Avatar
    Join Date
    Nov 2013
    Location
    Desert Southwest, USA
    Posts
    159

    Re: How much water loss is acceptable?

    I lose 1/2 inch minimum a day during the summer
    12k gal Gunite/Hayward filter C5520BH with quad 33 inch filters. 2.5 hp motor. Pool is on south side, so full sun light. Spill over spa.
    Laar's heater LT250-Low NOx Gas Fired for pool/spa 250,000 BTU. Roof mount 6 panel solar system installed east/south. TF-100 test kit. May-September 100+ degrees out side.

  6. Back To Top    #6

    Join Date
    Sep 2016
    Location
    Lancaster, CA
    Posts
    87

    Re: How much water loss is acceptable?

    Quote Originally Posted by Mark R View Post
    I lose 1/2 inch minimum a day during the summer
    Okay, that seems to be closer to what I'm losing, Just wanted to make sure something wasn't wrong.


    ~14k Gallon IG Plaster (old)
    Hayward DE 4280 Filter
    Pentair Superflo SS Pump
    Built 1993
    Old Broken Heater that needs to get replaced!

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