[RE-wrenches] Direct solar options for stock tank de icing

[Ken Schaal]

And remember that ' the heat from the earth below ' is your friend.

On Tue, Feb 11, 2020, 8:54 AM Hilton Dier <hiltondier at gmail.com> wrote:

> Daryl Thayer has the key to this: surface insulation. About 90% of heat
> loss from an open body of water is from evaporation. There are black
> plastic balls (about 5” dia) you can get to float on top in a layer. Blue
> foam works but deteriorates in the sun. I know we are all about electrical
> and mechanical solutions on this list, but whatever you do, don’t waste
> your money trying to heat an open surface water tank.
>
> Hilton Dier III
> Renewable Energy Design
> Missisquoi River Hydro LLC
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