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Thread: A Cheap Pool Cooler for the end of Summer

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    A Cheap Pool Cooler for the end of Summer

    I'm seeing a lot of 90 degree temps posted. That's too hot for my tastes. This evaporator/aerator was put together with PVC pipe I had laying around and is incredibly effective. My full sun pool will overheat without it and with it, I actually have to shut it off from time to time because the water gets a little cool. (81 yesterday)[attachment=0:17vww2f4]poolcooler.jpg[/attachment:17vww2f4]

    I removed one of my return eyballs, then had to go to the poolstore to get the little plastic key to remove the inside collar that the eyeball screws into. Once that's out, a standard 1.5" threaded PVC fit directly into the return pipe. The pictures aren't great but you can see I just glued some PVC pieces to make four "jets" to elevate the water. I drilled 1/8" holes in the top of each.

    Quite cheap, incredibly effective and the kids think it's fun.
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    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
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    very interesting...

    I've got a wide spillover, and my temps are still running 94 or so by end of day... dropping to 91 overnight.

    I'm guessing that circulating water through 95 deg air doesn't cool it very much (if any).... might even be heating it?

    What are the air temps running in your area right now?
    18,000 gallon gunite free form, with spa, 4x160, EasyTouch, SWCG, Pentair cartr filter, Colorlogic lights.

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    temps here are similar 93+ everyday.

    The cooler works because of the evaporative process (which releases heat from the water) and will work beautifully with very hot temps. My opinion (not based on data) is that it is more effective during the day because of the lower relative humidity. In the Southwest, I'm convinced it would make icicles!

    Muggy Lousiana isn't good but not much worse than North Carolina. My 43k pool will usually drop 5 degrees after two daytime runs. Early AM will not be too effective because of the high relative humidity.......probably 11:00AM 'til 6:00pm is best. You can be in the pool and feel the cooler water dropping back to the surface. The higher you can elevate the water and the finest drops you can produce will give you the most effect. The volume of water you push into the air will have a lot of affect, too. A small, commercial fountain may work but doesn't produce much volume or elevation.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    My fragile ego is shattered that no one told me how nifty my pool cooler was!!

    I'm bumping this back up....perhaps someone will pity me and give it a kind word.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
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    tagprod's Avatar
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    I thought it was genious = I'm trying to figure out a way to do it at home. I'm just trying to get a visual of the little plastic key to remove the inside collar. Couldn't you just screw in a threaded piece of PVC?
    Brian
    20K IG Gunite w/ raised 7ft spillover spa. 1.5 HP Hayward Northstar pump 425 sq ft Hayward cartridge filter, Colorlogic lights AquaRite SWG AquaLogic PS-8 control
    1hp pump for sheer descent

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    Nice! while my area is in the 100's (Dallas) we went a head a purchased a polaris fountain...I know it's something I could have done myself but for the cost of the polaris quick release and having to spent the time measuring and cutting, it made more sense for me to go a head and purchase one.

    It was about $60 on ebay, sounds like a lot till I called some local stores that had them for $200!! The other reason I purchased one for the polaris is that it's the only centered fitting I have, the other ones are at the corners of the pool to circulate the water.

    Works nicely, while my friends pools are in the mid to upper 90's around here I'm hovering between 88 and 90...not perfect but it also makes a nice budget fountain feature.

    I did have to get a 3/4" threaded peice to 'stretch' the threads on the adapter that screws onto the PVC.

    I'll add some pictures later.

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    gonefishin's Avatar
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    I like it!


    Not only is it a nice cooler...but it's a cooler cooler :P

    I really do like it my kids would probably love one for next year.


    take care,
    dan
    33' Aqua-Leader AGP
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    Solar Heat coming ; used to own Aqua-Cal HeatWave 100k (HeatPump)
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    Thanks, folks,

    I feel much better and am canceling the appointment for tomorrow with the therapist.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Love it! Can you make these a BOGO with the test kit?
    Our pool temp hasn't gone below 91 for two weeks, I may have to see if I can rig something like this!

    Take care!
    Froggybabies
    24000 gal inground vinyl
    Sand filter

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    Butterfly's Avatar
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    Sure wish I had seen that a couple weeks ago! Our pool was just too hot to enjoy.

    Are you sure you do not have too much time on your hands? Okay, TFP people, order more refills and kits!....and btw, that BOGO idea sounds really good!
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    AnnaK's Avatar
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    My dogs would love this!

    A great idea, more PVC fun.
    AnnaK

    12,500 gal AGP, Hayward sand filter, Pentair 2-speed pump, timer.
    Please visit our Pool Issues pages for information about step weights, managing the solar cover, and PoolSkim.

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    KurtV's Avatar
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    This is a great idea, but there are a couple of things to keep in mind. If you're in a very humid area it won't help a lot (that said, a degree or two F can make the difference between refreshing and not). I'm just across the lake from New Orleans so it's 80-90+ % RH in the dog days and I don't get much evaporative cooling. The other thing is, this will drive your pH up; not a big deal for some but a PITA for others.

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    MikeInTN's Avatar
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    Pretty cool, Dave.

    If I didn't already have a fountain, I might try something like this. As far as the best time to run it, I've found my pool cools down more quickly after sundown thanks to radiational cooling, coupled with the evaporation from the fountain. Last week we had a very weak cool front come through that lowered the ambient temp to 68 - 70 overnight. My pool temp dropped 6 degrees overnight (from 89 to 83). I had to take the fountain loose the next morning. Of course, I've got much less water than you to cool, too, so that comes into effect as well.
    24' x 52" AGP - approx 13,500 gallons
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    That's great! I have a built in aerator in the wall of my pool that does the same thing - only one though. I run my pump at night with it on and it chills the water down to 82/83 from 92.
    Buggs

    14,000 gallon, in ground, plaster, free form, play pool.
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    jmills's Avatar
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    I once heard that people in Phoenix sometimes have ice delivered to cool the pool. Is there any truth to this?
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  16. Back To Top    #16

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    dave,

    thanks for your post. i had been relying on my spa overflow to cool my pool... with absolutely zero success.

    after thinking about your post, i fired up my two little deck jets that don't look too great, especially without working to get them balanced (which my automation isn't programmed yet... thanks again, mr. terrible pb).... yesterday I fired up my deck jets and let them run day and night...

    the weather did break a little, but not this much. went from 94 degrees to 91, then down to 86! sweet!

    thanks again!

    steve
    18,000 gallon gunite free form, with spa, 4x160, EasyTouch, SWCG, Pentair cartr filter, Colorlogic lights.

  17. Back To Top    #17

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    Quote Originally Posted by jmills
    I once heard that people in Phoenix sometimes have ice delivered to cool the pool. Is there any truth to this?
    I don't personally know of anyone who has done it, but it wouldn't surprise me if someone has.

    I can always seem to keep my pool cool with the aerator.
    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.

  18. Back To Top    #18
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    Quote Originally Posted by duraleigh
    ....perhaps someone will pity me and give it a kind word.
    Dave, it kicks ***!!!!!!!!!!!!
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  19. Back To Top    #19
    Dave, as high as you are flinging the water, do you ever have issues with wind blowing the small drops out of the pool?

    Oh yeah, GREAT DIY idea

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    mbar's Avatar
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    Dave, you deserve

    Unfortunately, here in the northeast we don't need coolers! But if I ever do, I have no fear that this will work
    16x33 fiberglass pool sand filter

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