Plywood tank bulkheads

coyote6183 · Apr 24, 2012

Im looking for a place i can order bulkheads that will go through 3/4 inch bulkheads. Its the last thing i need to order to complete my plyeood tank pls help need link

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Rivermud · Apr 24, 2012

if you go with one inch you can find them at your local plumbing supply

stempy · Apr 24, 2012

I got mine from a store on Ebay. They were cheap, great quality and I had them in 2 days.

coyote6183 · Apr 24, 2012

hey rivermud, would 1 inch drain be good enough for around 300 gph? i was thinking 1 inch drain 3/4 return with a ball valve. its a mag5 traveling past 2 90s and 57" of pipe. everything else is ordered on its way for me to complete gonna work on stand and canopy this weekend.

MFK2009 · Apr 24, 2012

Flexpvc says they will custom make ones for you as needed. I've ordered a variety of items from them

http://flexpvc.com/cart/agora.cgi?product=BulkheadFittingsCustom

Rivermud · Apr 24, 2012

Depending on your design you may have issues with 3/4 return. A design like mine has a horizontal type flow and thus is reduced. A 1 inch vertical drain would more than handle 300 gph though the flow rates are always a bit reduced with elbows and such causing friction. A good sticky to read is http://www.monsterfishkeepers.com/forums/showthread.php?205645-Pipe-Sizing-Charts-and-Flow-Rates.

coyote6183 · Apr 29, 2012

the return will be a mag 5 the threads that return it are 3/4 it will go up past 3 elbows and about 55 inches of pipe 47 inches of it verticly up. will this work? its for a refugium so slow flow isnt bad i also have a fluval fx5 that will be on the tank for more flow and mechanical/biological filtration