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Title: Do not buy
Review: I actually read previous reviews but, still went ahead and bought this. What a mistake that was.I live in eastern North Carolina so we do not get too many days/nights of freezing temperatures. However, we also have a fish pond with Koi in it. We were forecasted to have some freezing nights after Christmas so, my wife and I decided to buy this De Icer to keep any gasses from building in the pond if it did freeze over.It arrived as scheduled. We followed all instructions"to the letter" and set it in our pond.It worked the first night and the second.The temperature then rose so, we switched it off.About 5 days later we were again forecasted for a freeze and we switched the de-icer back on. and absolutely nothing happened.The reviews I had read all said similar things and I assumed that those folks probably did not follow the instructions. Well, we absolutely followed them and it still only lasted for 2 nights (one freeze event).Never again....
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