I don't use it for a bottom drain but I use a pair of them in my 55 gallon
drum upflow filter system and they worked out great.

Bob

BenignVanilla wrote:

Has anyone used a bathroom flange for a bottom drain? I am contemplating
switching my Greg Bickal's Boot/EPDM/Bottom Drain plan for a
Permalon/Bathroom Flange bottom drain. Any thoughts? The pond is plumbed
with 4 inch PVC if that matters at all.

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