First winter with my small preformed pond. This item rated very well for small ponds. Very easy to use, and so far no problems.
Verified purchase: Yes | Condition: New
purchased before winter, expected it to leave a hole in ice, but instead it became frozen in the ice. I have to go out every day and break a hole in the ice. I have only a small pond and this should keep a hole open, but does not. It does not work at all. Threw it away and got a different one.
Verified purchase: Yes | Condition: New
Been using for two weeks now and it is working as intended. The real test will come when we get an extended hard freeze. I believe it will pass the test, and hope it lasts many years with good care.
Verified purchase: Yes | Condition: New
If they worked, I bought 2 and only 1 worked, it is very hard to find a good heater for koi ponds.
Verified purchase: Yes | Condition: New
Decent product for the price.I live in chicago and still need to run an air stone in middle of deicer to keep from freezing when temp dips below 20 degrees.
Verified purchase: Yes | Condition: New
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