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Pond Heater Options
Tom H
#1 Posted : Wednesday, July 28, 2010 2:56:49 AM
Rank: Guest

Posts: 134,494

I have a small Koi pond (300 gallon) in my yard that I would like to heat with a solar type heater this winter.  It basicly needs to stay above freezing and an electric stock tank heater would be my backup.  I have built several hot air solar panels with good success and tried a hot air setup on a previous pond with no luck.  I am thinking about building a coil typer collector and hanging it on the nearby south facing fence.  I thought about using a closed system and placing another coil in the pond, filling it with RV antifreeze and installing a check  valve in the line.  I have searched the net and not found anything that looks good so far.  Anyone had a project like this?  Thoughts or suggestions would be appreciated.

Pat Miketinac
#2 Posted : Wednesday, July 28, 2010 2:56:49 AM
Rank: Guest

Posts: 134,494

That sounds small enough to cover with a greenhouse style frame that you could supplement with your hot air solar panels. Heat loss at night would also be less.

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