29 Sep '12, 1pm

Heckuvalota info on solar water heaters, including photos and links for how to make your own you're wel

I’ve got a technique I have used in the past, with pretty good success, to reduce the open water exposure yet give a good drinking area for the horses. I cut a board to cover the top of the tank. In that board I cut a hole that is the diameter of a 32 gallon plastic trash can. The hole is cut to the size of the trash can such that the lip around the top of the can will not go through the hole. These trash cans taper from the top to the bottom of the can (I imagine so they will come out of the plastic mold). I cut the bottom off of the can. I then slide the can (minus bottom) down into the hole that I cut in the top of the lid. The lip of the can stops the can from going all the way into the tank. I then screw the can to the top of the tank so the horses don’t pull it out. Next I fill the tank with water. Now the only exposed water area I have is the diameter of the plastic...

Full article: http://www.builditsolar.com/Projects/WaterHeating/water_h...

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