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Old 24-03-2007, 06:20 PM posted to rec.ponds.moderated
Derek Broughton Derek Broughton is offline
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First recorded activity by GardenBanter: Jul 2006
Posts: 353
Default New pond owner needs help

Kurt wrote:

Better than airstones are to add a venturi to the pump.


It's true this is the best way to add aeration, but in winter when I don't
want to run a pump (and the O2 content of the water is not a huge issue),
that's a major difference in energy consumption over an airstone and a 15W
pump.
--
derek