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what size to drill

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pgravis View Drop Down
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    Posted: November 30 2009 at 9:31pm
I am trading shane (pa_reptileman) some things for a 20g tank to set up as a caribbean/keys biotope plumbed into my 65g's sump.   We are going to drill the tank, and I am curious what size i should drill it?    What are the standard bulkheads that are easy to come by?
also, future question, what size pump should I run on this?
thanks
PJ
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CapnMorgan Quote  Post ReplyReply Direct Link To This Post Posted: November 30 2009 at 9:36pm
How much water are you planning to circulate? That will dictate what size plumbing you need to use.
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Shane H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shane H Quote  Post ReplyReply Direct Link To This Post Posted: November 30 2009 at 9:54pm

I'd probably go with 1.5 inch.   That should flow plenty of water for your overflow.

Please post pics when you've got it going!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pgravis Quote  Post ReplyReply Direct Link To This Post Posted: November 30 2009 at 10:14pm
Shane, pardon my ignorance!, but are you saying drill an 1.5" hole, or put a 1.5" bulkhead in, or is this the same thing?   
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sanddune600 Quote  Post ReplyReply Direct Link To This Post Posted: November 30 2009 at 11:46pm
this is only a 20g I have a 1 inch bulkhead on my 100 and rund about 1000 gpm for my return I think you could get away with a 3/4 inch bulkhead although if you are going ot be running with out powerheads you may go bigger most of my tanks flow comes from other sources (closed loop)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bfessler Quote  Post ReplyReply Direct Link To This Post Posted: December 01 2009 at 12:27am
Wow, Your running 1000 GPM through a 1" Bulkhead. There must be some amazing pressure behind that. LOL

Edited by bfessler - December 01 2009 at 10:15am
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Shane H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shane H Quote  Post ReplyReply Direct Link To This Post Posted: December 01 2009 at 9:36am
Sorry - 1.5" bulkhead. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote vadryn Quote  Post ReplyReply Direct Link To This Post Posted: December 01 2009 at 9:42am
I'll bet Andy means 1000 GPH - otherwise he'd have drilled holes through his glass with that kind of pressure. LOL
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Chad Quote  Post ReplyReply Direct Link To This Post Posted: December 01 2009 at 10:15am
I think a 1" bulkhead would be plenty for a 20 gallon tank and those are very common. It requires a 1.75" hole cut in the glass. You could have a glass shop cut it for pretty cheap or I have a bit and could help you drill it also.
What?! You pooped in the refrigerator, and ate the entire wheel of cheese?! I'm not even mad.... That's actually amazing!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jcoulter17 Quote  Post ReplyReply Direct Link To This Post Posted: December 07 2009 at 6:31pm
I just put together a frag tank. Its about 50g and I'm using 1" bulkheads with a 950 GPH pump. Yes, it is some amazing pressure.
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