So Shareholders pond got filled last night, and under the glow of a dieing
Maglite...it looked great! Unfortunately, the VF is higher then I thought so
it is quite dry even with the pond full.

This evening I plan to work with the main pond a bit to see if I can raise
the edge...I should have enough dirt and I know I have plenty of liner left
over. I am also considering a check valve in the line from the bottom drain.

Can I use a check valve downstream from a bottom drain?

Do they make check valves for 4 inch PVC?

This is so depressing.

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BenignVanilla
Experience is something you don't get until just after you need it.
tibetanbeefgarden.com

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"BenignVanilla" m wrote in
message ...
Do they make check valves for 4 inch PVC?

Get a DWV backflow preventer. It's basically a check valve, though in this
case it's designed to prevent sewage from backup up into your basement when
it floods outside. The inlets and outlets are exactly 4 inches. They're
widely available (in cities where houses have basements) at most retail home
improvement centers.


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David Pochron