
I bought 3 to use in different water tanks. I have 1 15 gallon chicken tank, 1 50 gallon bull tank and 1 100 gallon heifer water tank. I didn't think this little heater would work, but we needed something to keep the water from freezing. They all worked! The 100-gallon tank had a thin layer of ice around the edges, but my cows broke it off with no problem. The temperature dropped to 6F last night. This morning Andy went out to feed the cows and test their water. Still good and no ice.

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