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Pond Freezing
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How do you stop your garden pond from freezing over?
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For more on marking an answer as the "Best Answer", please visit our FAQ.Found this advice on a forum - no idea what airstones are tho :-
A couple of airstones with a good bit of pressure behind them hanging over the side and submerged by only a couple of inches will keep a hole open and not churn the bottom water up.
I'm doing that by my filter returns and it seems to be working OK, I've got thick ice all over except there, it's keeping a hole about 3' square open.
A couple of airstones with a good bit of pressure behind them hanging over the side and submerged by only a couple of inches will keep a hole open and not churn the bottom water up.
I'm doing that by my filter returns and it seems to be working OK, I've got thick ice all over except there, it's keeping a hole about 3' square open.
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