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Thread: Cooling Pool with Fountain

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    Cooling Pool with Fountain

    Hello,

    My pool is quite small ~7000 gallons and in the DFW area the water temp is constantly almost too warm to swim ~95-97 degrees. I purchased a fountain to run at night, but when I put it on a normal return it doesn't even barely spray anything. I decided to hook it up to the booster port from the polaris cleaner just to see as I had an extra adapter, that works wonderfully but the pump seems to be making a lot more noise than normal.... I didn't want to damage it but I wasn't sure why it was making so much noise, any one have any ideas of how to cool the water down without a 2K chiller or if running the fountain via the cleaner port would be bad?

    Thanks,
    Ryan

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    Texas Splash's Avatar
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    Re: Cooling Pool with Fountain

    Ryan, can you update your signature with the details of your pool and/or possibly include a pic of your set-up? That might help with reader's suggestions.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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    Re: Cooling Pool with Fountain

    IMG_0491.JPG

    Here is a photo, just a cheap fountain from amazon that has a clear tube that can be installed on a return.
    7,000 gallon free form in-ground pool, Raypak 400 BTU Natrual Gas, Hayward Super II SP3015 2HP Pump, Hayward MicroClear DE 48 Filter, Polaris 280 Cleaner, Jandy RS8 Automation

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    Re: Cooling Pool with Fountain

    Sub, I'm interested in cooling the pool as well (DFW). Ryan, your issue might be that the main pump isn't running and only the cleaner pump is! Both need to be ran same time or cleaner bearing will get destroyed...just a thought.



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    Cooling Pool with Fountain

    I bought Intex fountain and it cools pool very well. Hooks right up and was pretty cheap $20 at Walmart. My pool was at 92, & it dropped to 80 over night.


    18/48 Coleman above ground. Intex sand pump and Intex saltwater system

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    Re: Cooling Pool with Fountain

    Quote Originally Posted by Jkeo View Post
    I bought Intex fountain and it cools pool very well. Hooks right up and was pretty cheap $20 at Walmart. My pool was at 92, & it dropped to 80 over night.


    Sent from my iPhone using Tapatalk
    I don't see how this is possible....an 8 degree drop with just a fountain running? I have recently switched my fountain to run at night and it dropped from 92 to 91. Of course the ambient temp has been fluctuating from 97 to 95 so who knows if that did anything.

    I am trying to do some research on covers, chillers and heat pumps. If anyone has any links to previous discussions, that would be great.

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    Mod Squad kimkats's Avatar
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    Re: Cooling Pool with Fountain

    Quote Originally Posted by nydrock View Post
    I don't see how this is possible....an 8 degree drop with just a fountain running? I have recently switched my fountain to run at night and it dropped from 92 to 91. Of course the ambient temp has been fluctuating from 97 to 95 so who knows if that did anything.

    I am trying to do some research on covers, chillers and heat pumps. If anyone has any links to previous discussions, that would be great.
    Like everything else................it depends LOL Air temps, humidity, weather conditions, etc.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Cooling Pool with Fountain

    I've installed one recently and the temperature drop is noticeable, maybe 1-3 degrees. I run it during the day, you'll get more of an evaporative cooling effect that way anyway.
    20K gallon vinyl inground pool, Hayward Pro Series sand filter, 1 HP pump, Taylor K-2006

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    Re: Cooling Pool with Fountain

    Ive not yet tried it but plan to
    Assuming Temps fall at night and humidity is basically stable
    wouldnt running it night double the impact since yoiu would get evaporative AND tranmissive cooling but exposing that much water that doesnt evaporate to cooler air ?
    Doug - Purchased 1/2016, 1995 house with 16x31 ft, ~23000 gallon Gunite pool w 11x7 spa, 3 Pentair VS pumps, a boost pump for polaris 3900 and a BaduŽ Jet super-sport swim jet pump, 1.5 hp blower, a CL460 Cartridge filter. TF-100 test kit. Aquapure SWG, iAqualink - Lots to learn. New Aquabright, Jandy LEDs, CMP LED Sheers.

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    Mod Squad kimkats's Avatar
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    Re: Cooling Pool with Fountain

    That ^^^ is how it works at my house. I have to "forget" to turn it on at night because I like the pool warmer than my husband does LOL

    Some people even run the solar heaters at night for the same reason-cools the water off.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Cooling Pool with Fountain

    This is probably an interesting thermodynamics question. I agree simple conductive heat transfer will be greater with the cooler night air. However, evaporative cooling would be more efficient at lower relative humidities and higher temps that you have during the daylight hours which will drive more evaporation.
    20K gallon vinyl inground pool, Hayward Pro Series sand filter, 1 HP pump, Taylor K-2006

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