How to Cool Swimming Pool - DIY Pool Fountain
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- Опубліковано 18 лип 2017
- How to Cool Swimming Pool? Yes this little swimming pool cooling system is great. Run at night or in the early morning hours and cool your pool 10 degrees in days.
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I made one of these about 10 years ago with the same fitting coming out of the wall and then a 90 degree angle coming straight up to the waterline where it split with a "T" horizontally across 1' in each direction along the waterline so that the sections barely sat above my normal waterline. Then drilled 230 - 5/64th" holes on each side in 3 rows. I set my Pentair intelliflow pump up at 1000 rpms and ran it overnight since the variable speed costs nearly nothing to run at that low rpm. The night air here in Houston is typically 81 degrees in the dead of summer but like clockwork our pool would cool to within 1 degree of the night temp by first sun. Worked well because 82 degrees is too cold for me to swim in but by about 2pm it was perfect at about 85. Our pool was VERY shallow at 3.5 to 4.5' deep though so it would heat up quickly at just 12,000 gallons. I like the fall-down design. I'll have to look at our new pool in the morning to see if we have any eyeballs that would allow this design. I do like the way they act as mini water return jets in the downward position as well. One thing with only having a small hole like that is when chemicals get out of balance we would often end up with calcium buildup in that pvc arm section. It was nice to have a little visual queue because our spray pattern would start to fade or go from 15' to a shorter throw distance. One consideration people should consider on a properly engineered pool is that if they plug up that return line it may cause back-pressure on their equipment if the rest of the returns cannot compensate for the plugged up lines. Basically...don't do all of them like this and think that is fine :)
Doc. This works and I built it in 15 minutes. Thanks!!!
Thanks. I checked on Amazon for similar pool chillers and the cheapest was about $45 for $10-20 of material. This is a no brainer!
Such a great idea! Thanks for the detailed information. This will be my next pool project.
Thank you so much!!! I will try it tomorrow! Awesome idea!
Hey, just wanted to thank you for the setup, I built mine last night, water temp was 88, this morning it was 78, F##kin awesome!!! Two thumbs up to you!!!
Hi Joe...I'm in Myrtle Beach SC and I'm wanting to try this as well. I'm just curious how you run it? Do you run your pumps only at night? What about during the day? My guess is you run it overnight to cool it down, but if its a 90-100 degree day won't the pool simply heat right back up during the days? I need some help on this...My pool is in the low 90s from July until Sept.
Great idea.... keep them coming
Excellent video. Thank you for sharing. A chiller is 6k and this works great for 1% of the cost!
i have an in-ground "sport" pool. 3 ft deep and each end and 5 1/2 ft deep in the middle. the water temp got to 96 degrees and was unusable. watched this video, bot some pvc pipe, caps and angle pieces. i just drilled 6 holes into each cap at upper angles. then i only run my pump at night from 10 pm to 7 am. within two days the pool temp dropped from 96 to 84. i can now maintain temps from 82-85 which seems to be the perfect temp to all who use the pool. one extra benefit is the sound and look of my "fountains". even the neighbor who lives behind me and spends some evenings entertaining has commented on how they enjoy the fountain sounds coming from my pool. this was sooo much better than spending $1600-$2000 plus installation for a pool chiller set up. thanks you for the video/advice.
hogrydr100...I'm in Myrtle Beach SC and my pool is in the low 90s from July until Sept. When you say you only run this on your pool at night (10pm to 7am), are you also saying you don't run it at all during the heat of the day? And if that's correct, you can still maintain 82-85 degrees? I would think in 90 to 100 degree summer heat, the pool water would rapidly heat back up very fast...Am I wrong on that? I really want to install these, but I'm just curious if I'm going to need to run these only at night or basically 24/7 to see an effect. Any help is appreciated.
Thank you. Tested it works 100% in 3 days temp increased 3 degrees C.
Very cool! How hot does your pool actually get that you need to cool it down 10 degrees? Wowza! Also, do you notice any additional evaporation when doing this?
We don’t have a programmable system just the basic Hayward sand filter with 1 on/off switch. I am in the process of building mine but want to make sure I can still use this. I’m assuming I will just have to push it down every morning???
could this be used as a pool aerator too?
For those who have done this...and as another asked...how much is the evaporation increased? How much water are you having to add?
What are those pads for?
How big is that pool behind you a 20 by 40 16 by 40?
I don't think the water is capturing coolness from the air. I think the warm water is giving off heat, and when it's in a spray you have increased the surface area exposed to the morning air. A little water also turns from liquid into water vapor which takes heat energy from the pool water. Did you check the pool temp before and after to see what the actual magnitude of the cooling effect is? I like the simplicity of the setup.
This is what I wanted answered as well
Wrong. Yes it does. Do you own an in ground pool?
That aught to wake you up in the morning.
looking to use your system but when i take out the jet the male fitting is a freak size,,,home depot has no size that matches ,...its a size inbetween 1 1/2 - 2 ".....what size male threads did you use to connect the initila fitting to the jet port or how
you have to also remove the "threaded" tube that the return jet ring screws onto. then you can get the correct "female" threaded insert that is needed. hope this helps you.
have you found this can help warm the pool if run in daytime?
I tried this and even though I have a bigger pool pump, it doesn't build up enough pressure. Do you plug any of your other jets? It seems with mine that as soon as I put my hand over a jet there is no pressure there because the flow just takes the path of least resistance and goes to the other jets rather than building enough pressure to squirt out the slit in the cap. I think it would work if I capped at least a handful of the other jets in the pool but just curious if you had to do this?
when you say "not enuff pressure" do you mean the tubes wont stay standing up? i dont have returns on my steps, just on the corners. so i screwed mine in snugly and they stay up with or without the pump running. if temp is getting too cool i just push them down under water.
@@hogrydr100 I am having the same problem. I hooked up the same thing as he did but it just wont spray out like his dose. Not sure why. I have a vs pump. Maybe my holes are to big (1/16) or to many? Any one know what to try??
I can’t seem to get the pressure needed I guess, ideas?
I live in New Orleans....our mornings are 85 and our afternoons are literally 105. It's hell. I wonder if this will work.
Not sure it will work in Houston - it doesn't drop below 80!
Cause my neighbors'll think im nuts😂😂
AZ the pool water is hot. My friend in Phoenix never used his pool because the water was hot.
Hi i will give you a marvellous idea:
Get 20 pcs of mini irrigation nozzles and drill 20 holes in a pipe and fit them then connect the pipe to a 1/4 hp water pump.
The evaporation effect is enormous.
I can send you photos of mine
The outside temperature is 56 celcius while the pool is 28 celcius
noting the thread position only works on one side...not on the other side because the pipe drops down (unscrewing as it goes down until it hits the step.....the other side is tightening as it drops down...thus the need to mark the thread position)
Thank you for asking the question I had. As a mechanical draftsperson for 28 years, I thought of this as soon as he started talking about it. Unfortunately, he hasn't responded to your query either. I wonder if you could get a reverse threaded coupling for the opposite side. Otherwise, I don;t see yhe harm in it dropping fully down if it is going to rest on the step. Alternately, you could install a piece of pvc with flex glue (supposedly works underwater) as a stop.
My kids would break that off so fast