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Solar hot water panels with pump and thermostat
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Author:  Ashram [ Apr 5th, '23, 17:35 ]
Post subject:  Solar hot water panels with pump and thermostat
I have been offered a couple of solar hot water panels and wondered if anyone has used them to heat their aquaponics systems? I'm thinking small pump to send water to the panels controlled by a thermostat and gravity feed back into the sump. Has anyone tried anything similar?
Author:  Gunagulla [ Apr 5th, '23, 20:28 ]
Post subject:  Re: Solar hot water panels with pump and thermostat
If the pipes in the panels are Copper, you'll probably kill your fish. Stainless steel pipes should be ok though.
Author:  Ashram [ Apr 7th, '23, 12:12 ]
Post subject:  Re: Solar hot water panels with pump and thermostat
Yeah they're copper :(

How much copper will kill fish?
Author:  Gunagulla [ Apr 7th, '23, 20:42 ]
Post subject:  Re: Solar hot water panels with pump and thermostat
A very small amount! You could separate the hot water from your AP water with a heat exchanger though.
Author:  A2Z [ Apr 24th, '23, 15:48 ]
Post subject:  Re: Solar hot water panels with pump and thermostat
Ashram wrote:
I have been offered a couple of solar hot water panels and wondered if anyone has used them to heat their aquaponics systems? I'm thinking small pump to send water to the panels controlled by a thermostat and gravity feed back into the sump. Has anyone tried anything similar?

Or you could make your own simply by putting a pvc hose on your roof.
I once seen a guy put 200' of hose on his roof which provided enough hot water for the house.
Of course he had a couple storage tanks. (old water heater tanks)
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