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Joined: Apr 2007
Posts: 274 Likes: 5
Fingerling
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Fingerling
Joined: Apr 2007
Posts: 274 Likes: 5 |
The bottom withdrawal system goes into siphon mode when the water gets above the vent. See this page for an diagram/explanation: http://www.georgialandsales.com/pdf/PondSiphonSystem.pdfI suspect during most of the time when very little or no water is running through the pipe, your aeration system would be needed to keep oxygen at the lower depths. Looks like a fun project!
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Joined: Mar 2005
Posts: 21,475 Likes: 264
Moderator Hall of Fame 2014 Lunker
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Moderator Hall of Fame 2014 Lunker
Joined: Mar 2005
Posts: 21,475 Likes: 264 |
There are many possible designs on a water control system (siphon plus emergency spillway). It is best to have the option that lets you remove the bottom pond water.
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