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Thread: Unexpected bucket test results

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    Unexpected bucket test results

    I ran a bucket test over the weekend because the pool has been losing water a bit faster than normal (but the weather has also been hotter) so I just wanted to convince myself everything was ok.


    I made sure the water level in the bucket was the same as in the pool. The next morning, the bucket had floated away (presumably because more water evaporated out of it, than out of the pool).

    So I added a brick to the bucket, evened out the water level and tried again. Once again the water in the bucket seems to be evaporating more quickly.


    This would seemingly be a good result, but why is it happening? The bucket is orange plastic--could the color be causing the water to heat up faster than my white/light blue pool plaster?

    Weird stuff.

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    Mod Squad jblizzle's Avatar
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    Re: Unexpected bucket test results

    Only way for it to happen is if water is being added to the pool ... do you have an auto-fill that is running?
    OR
    Something is removing water from the bucket ... do you have a dog that likes to drink out of buckets?
    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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    Re: Unexpected bucket test results

    No auto-fill device.


    And while a stray cat does pop by occasionally at night, I think the height of the water in the bucket would have prevented the animal from standing up and reaching into it to drink--the pool would have been way easier to drink from. Plus, I noticed the second test results over the course of maybe 8 hours, during the day.

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    Mod Squad jblizzle's Avatar
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    Re: Unexpected bucket test results

    Well, I can not think of a logical explanation at this time
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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    mrcarcrazy's Avatar
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    Re: Unexpected bucket test results

    I was going to suggest a magic bucket or a poltergeist.....I know, not helpful at all.

    try a white bucket and see? seems rather unlikely that it would make that big a difference, but I've been wrong before.
    IG gunite/plaster pool/spa Started 1/17/14, Plastered 5/16/14
    Size: 12'-21'x39' free form, depth ranging from 4' to 7, attached 6 person spa with spillover.
    Equipment: Whisperflo 2hp pump, Pentair 30" sand filter, Pentair Mastertemp 400k BTU heater, 1hp Whisperflo for waterfalls, and a blower for spa floor

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    Mod Squad jblizzle's Avatar
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    Re: Unexpected bucket test results

    And put the bucket in a different location if you can. Maybe there is some odd air vortex over the bucket increasing evaporation?
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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    Re: Unexpected bucket test results

    how much water did you have in the bucket? 1 inch, 6 inches, 12 inches? All I can think is that there was not much and the bucket was more buoyant than the weight of the water in it??
    SwimNPlay AG 15x33 oval 48" high 12k gallons - Used pool set up July 2013
    Hayward sand filter, Sta-Rite 3/4 HP pump
    Kleen Machine Robot, TF-100 test kit
    Central NC

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    Re: Unexpected bucket test results

    To even the levels, I had to put in easily 16 C, which was probably 15 inches? This was in one of those Home Depot buckets.

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    Re: Unexpected bucket test results

    You have ghosts! ... the only plausible answer!
    SwimNPlay AG 15x33 oval 48" high 12k gallons - Used pool set up July 2013
    Hayward sand filter, Sta-Rite 3/4 HP pump
    Kleen Machine Robot, TF-100 test kit
    Central NC

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    Re: Unexpected bucket test results

    :-/ **** ghosts. Next they'll be spiking my pool with CYA when I'm not around.

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    mrcarcrazy's Avatar
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    Re: Unexpected bucket test results

    I have it on pretty good authority that ghosts usually mess with peoples automatic cleaners. Pretty sure it was on TV, and TV never lies.
    IG gunite/plaster pool/spa Started 1/17/14, Plastered 5/16/14
    Size: 12'-21'x39' free form, depth ranging from 4' to 7, attached 6 person spa with spillover.
    Equipment: Whisperflo 2hp pump, Pentair 30" sand filter, Pentair Mastertemp 400k BTU heater, 1hp Whisperflo for waterfalls, and a blower for spa floor

  12. Back To Top    #12

    Re: Unexpected bucket test results

    Also, if you are losing water out of a spa via the backflow valve it would cause the pool to rise if the spa is above the pool level. Not much of a rise but some.
    23,000 gallon in ground pool with rock waterfall and spillover spa, Aqualink control system, Polaris 380 cleaner, Purex Triton Clean&Clear Plus cartridge filter. Located in The Woodlands, Texas.

    Pool owner since Nov 2008, Trouble Free since April 2009. Happy to help when I can.

  13. Back To Top    #13

    Re: Unexpected bucket test results

    Is there a spouse or roommate that could be "helping" you? I can imagine in my house on about the 3rd try my hubby saying "why do you keep leaving buckets full of water in the pool??"

    I'm outta ideas ..
    SwimNPlay AG 15x33 oval 48" high 12k gallons - Used pool set up July 2013
    Hayward sand filter, Sta-Rite 3/4 HP pump
    Kleen Machine Robot, TF-100 test kit
    Central NC

  14. Back To Top    #14

    Re: Unexpected bucket test results

    Did you ever figure out the bucket test mystery? I'm still perplexed by this!
    SwimNPlay AG 15x33 oval 48" high 12k gallons - Used pool set up July 2013
    Hayward sand filter, Sta-Rite 3/4 HP pump
    Kleen Machine Robot, TF-100 test kit
    Central NC

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    Re: Unexpected bucket test results

    We did a bucket test also, fearing the pool was leaking. Every day the water level in the bucket was pretty much equal to the pool. "Not true!" I cried, "I KNOW it is leaking." So we examined the bucket, sure enough it had a small hole. Got a relatively new plastic bucket. DH tossed a big rock in it to weigh it down. Next day the water level in the bucket was pretty much equal to the pool. "More time!" I insisted. Three days later, no circulation, no waterfall, the water levels were still the same. So I picked up the bucket, ready to give in to the idea that it was massive evaporation.... and the rock fell through the bottom of the bucket. Tossing the rock had broken the bucket.

    Check your bucket.
    23,000 gallon in ground pool with rock waterfall and spillover spa, Aqualink control system, Polaris 380 cleaner, Purex Triton Clean&Clear Plus cartridge filter. Located in The Woodlands, Texas.

    Pool owner since Nov 2008, Trouble Free since April 2009. Happy to help when I can.

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