BenignVanilla wrote:
My current pond design (It hasn't changed in about 8 weeks. Those of you
that follow the BV pond escapade, know what kind of feat that is) is going
to be about 2200 gallons, with about a 300 gallon VF. Upstream from the VF,
I plan to have a pump house that will draw from the VF and empty into the
main pond. The main pond will feed the VF via a skimmer and a bottom drain.

Should I have a check valve in the output pipe to prevent water from
returning via the send? Everything in this system will be roughly on the
same level, so I do not think I will have problems with drainage if the pump
dies.

--
BenignVanilla
Never test the depth of the water with both feet.
tibetanbeefgarden.com
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sounds a lot like myh setup pumps in pond outlet in bog

i dont have checkvalves, I just fill the pond veggiefiler/bog

and when the pumps are running the excess flows back to the main pond

hope this helps



--
John Rutz

I'm not Porg am not am not am so
see my pond at:
http://www.fuerjefe.com