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Is there any research about water change rates?
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19-08-2009, 01:41 AM posted to rec.ponds.moderated
Jim Hurley
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First recorded activity by GardenBanter: Mar 2007
Posts: 37
Is there any research about water change rates?
I tried the search. Here is one doc:
http://wernersponds.com/water_changesxxx.htm
Jim
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