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  • DarylB15 commented on ClanMan's instructable Solar Water Heater for Pool3 years ago
    Solar Water Heater for Pool

    Good point! I'll admit that I lost sight of that. Thanks for the reminder. That being said I'll throw this out there for another solar idea on the same lines as this that I did years ago on one of those little pools with the inflatable top ring. I had a spare water pump (1/2hp shallow well pump) and I attached a short garden hose and put it in the pool on the suction side. Then on the exit side of the pump I attached as much garden hose as I had available. Weaved that hose back and forth on the lawn as every turn cause the water to 'rub' up against as much hose side as possible and then the end of the hose went back into the pool. On a warm sunny day the water returning to the pool was quite warm. Didn't take long to heat the pool up so the kids were happy.

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  • DarylB15 commented on ClanMan's instructable Solar Water Heater for Pool3 years ago
    Solar Water Heater for Pool

    This design does work but TonyF65 is right. If you look you can find efficient pre-built solar panels pretty cheap. I bought six 2'x10' panels and wood to build a rack to mount them on. Total project cost me about $300 but my pool is larger than most. I'm running about 28,000 gallons of water and pushing 55 gallons of water per minute through my panels. They are so efficient I actually have not used my propane furnace in 3 years. I'm in northern Minnesota but even with our sunlight it raises the temp in my pool about 6-8 degrees per day. When we get stretches of hot days and the kids are in the pool a lot I find I have to run it at night also in order to help cool the pool back down. Last summer there were a couple times that the water temp in the pool were 94 degrees and while ...

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    This design does work but TonyF65 is right. If you look you can find efficient pre-built solar panels pretty cheap. I bought six 2'x10' panels and wood to build a rack to mount them on. Total project cost me about $300 but my pool is larger than most. I'm running about 28,000 gallons of water and pushing 55 gallons of water per minute through my panels. They are so efficient I actually have not used my propane furnace in 3 years. I'm in northern Minnesota but even with our sunlight it raises the temp in my pool about 6-8 degrees per day. When we get stretches of hot days and the kids are in the pool a lot I find I have to run it at night also in order to help cool the pool back down. Last summer there were a couple times that the water temp in the pool were 94 degrees and while that sounds awesome, it's actually not even refreshing to swim in it at that temp.

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