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Thread: Does the bucket test really work?

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    Her pool boy's Avatar
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    Does the bucket test really work?

    It seems that my water level is going down quicker than I am expecting and I have had to add water earlier this week to keep the water level up to past the point of the skimmer when it starts to suck air. I just got a new liner so do not expect there to be a leak in the tub, and my pump shows no signs of air getting into the basket area when the pump is off. My first suspicion is water evaporation. It has been a particularly hot week, and windy, and I know that they are two factors that effect water evaporation. So I decided to try the Bucket Test. Fill a bucket of water and keep it on the stairs of the pool and compare evap. rates. My question is, does the bucket test actually work? My research on water evaporation indicates that surface area also plays a factor. Can't help but notice the surface area of my bucket, about 1 sq ft, compared to my pool, about 800 sq ft. Will the bucket test work? Can any of you pool scientists out there offer an opinion. Thanks.
    SteveS

    16' x 50' - 95K L (25000 gallon) I.G. Vinyl liner 12.5 Liquid Chlorine
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    Re: Does the bucket test really work?

    Yes, it works.

    Yes it is less surface area, but it takes a lot less to lower the level too.
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
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    Re: Does the bucket test really work?

    only factor might be if the water level is too deep in the bucket, it will not have the same wind exposure or sun exposure. Try to get the bucket as deep as you can in the pool to keep the "lip" as shallow as you can
    10,500 gal IG, Topaz Pebble, auto-level
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    Re: Does the bucket test really work?

    I've used it over the years when we had particularly dry and hot days. It did work. It should give you a good enough idea as to if the water is disappearing due to a leak. It may not be totally exact but it should be close enough for you to rule out (hopefully) a leak.

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    Re: Does the bucket test really work?

    I had difficulty when I first tried the bucket test because my leak was very small at first. When I did the test for 8-10 days there was no doubt. I had a leak. So maybe extend the test out a few extra days if you can.
    15,000 gallon free form Viking fiberglass pool. Hayward Star-Clear Plus C12002 cartridge filter. Hayward Swim Pure Plus T-15 SWG. Testing with TF-100 Kit. 2 speed 1.5HP Supreme pump. Dolphin Nautilus robotic cleaner

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    JoyfulNoise's Avatar
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    Re: Does the bucket test really work?

    Yes, it is accurate as long as the initial water level in the bucket is submerged to a depth very close to the water level of the surrounding pool and the sides of the bucket are not much higher than the water level (to avoid wind speed differences). It is best to use pool water to fill the bucket so that there is minimal temperature differences.
    Matt
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    Her pool boy's Avatar
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    Re: Does the bucket test really work?

    Bucket was filled to the lip with pool water and is sitting as close to the water level as practical. Will monitor for several days. Thanks everyone.
    SteveS

    16' x 50' - 95K L (25000 gallon) I.G. Vinyl liner 12.5 Liquid Chlorine
    Wicor Pantera P24 Sand Filter Pentair Superflo Variable Speed Pump
    Zodiac 3510WD Robotic Cleaner Raypak R336A Heater. ​Taylor K2006c test kit

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    Her pool boy's Avatar
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    Re: Does the bucket test really work?

    So..yes the bucket test works. I have learnt that the water loss in my pool is due to evaporation. I also learned that the "solar" cover slows the evaporation by about 50 percent. Was able to learn two things, with one bucket. Lol. Thanks everyone.
    SteveS

    16' x 50' - 95K L (25000 gallon) I.G. Vinyl liner 12.5 Liquid Chlorine
    Wicor Pantera P24 Sand Filter Pentair Superflo Variable Speed Pump
    Zodiac 3510WD Robotic Cleaner Raypak R336A Heater. ​Taylor K2006c test kit

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    Mod Squad pooldv's Avatar
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    Re: Does the bucket test really work?

    That is one handy bucket!
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    Re: Does the bucket test really work?

    Quote Originally Posted by Her pool boy View Post
    So..yes the bucket test works. I have learnt that the water loss in my pool is due to evaporation. I also learned that the "solar" cover slows the evaporation by about 50 percent. Was able to learn two things, with one bucket. Lol. Thanks everyone.
    yep!!, it's a relief when it proves out. All hail the plastic bucket!! (I don't think anyone uses Mrs. Mopp galvanized do they?)

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