Backyard Aquaponics
A place to discuss aquaponics

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Meaning not to discourage, but how is it better than a time proven auto-siphon..
It SEEMS to be a complex way of achieving the same result, with the risk that solids might affect the valve closure..
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If you've got solids that are big enough to interrupt a 2 inch flap, then we need to see some pics of those fish! lol Actually, the size posted is better because there is no adjustments needed to get it working as-is. The size posted could lend itself to wider diameter output piping maybe too (but I didn't go there in testing).