“This has kept the water flowing even at 10 below, our coldest temp so far this year. It was not even close to freezing, so I expect it to work at 20 or 30 below. Doesn't draw much energy. I would buy it again in a second!”
“Picked this up before it got too cold. It sits on a 5 gallon bucket, exposed to the elements off the Atlantic. We had about a week of 20 degree weather and I did not see any ice. So... so far, I‚Äôm a happy camper.”
“I recently purchased this heater for keeping minnows from freezing in a cooler in my garage.. it works perfect until the temp gets below 32 deg. Then everything goes south from there.its only about a month old and quit working.”
