I bought 3 of these and it's very good that I did! The first worked for about 5 minutes and then died unceremoniously in the pond. The second was twice as good as the first, lasted 10-12 minutes and then died. The third has been running for 3 hours and ensures a good current in the pond. Let's see how long this lasts. I think I could probably do better by buying a $28 pump.
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