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Old 10/06/2019, 07:27 PM   #1
albertan22
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Join Date: Jan 2008
Location: Alberta, Canada
Posts: 83
6 foot tank overflows

Iím looking to upgrade from my 4í 120g tank to a 6í 180g. My 120g has a single corner overflow which has worked fine, how many overflows does a 6í tank need to keep from getting scummy at the surface? Iím not excited about a center overflow but donít know how plumbing would work with dual corner overflows since I want to use herbie style overflows and one corner would end up with a long horizontal run. Iím going to have the tank built so all options are open to me.


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Old 10/07/2019, 10:28 AM   #2
fishguy306
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Join Date: May 2003
Location: Chicago, Illinois
Posts: 301
I hated trying to run a herbie in a dual corner overflow tank. Personally on a 6' tank if I was having it built I'd still just do a single corner overflow or an external overflow box.


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Old 10/13/2019, 10:17 AM   #3
on the spot
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Join Date: Oct 2007
Location: West Michigan
Posts: 998
If you have the room I'd opt for through the back. Off the shelf components. Many slim profile options available. next to no real estate lost.

Through the bottom? at 6 foot a stock tank makes the most sense. Dual corner/dual herbies.

HTH


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Old 10/22/2019, 05:24 PM   #4
ca1ore
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Join Date: Apr 2006
Location: Stamford, CT
Posts: 17,311
Corner overflows stink. If you’re having the tank made go with one of the modern ghosts-style overflows. A couple of the companies make 36” long models. That’s what I’m using on my 8’ tanks and it works very well.


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Got back into the hobby ..... planned to keep it simple ..... yeah, right ..... clearly I need a new plan! Pet peeve: anemones host clowns; clowns do not host anemones!

Current Tank Info: 450 Reef; 120 refugium; 60 Frag Tank, 30 Introduction tank; multiple QTs
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Old 10/23/2019, 02:36 PM   #5
clevername2000
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Join Date: Feb 2007
Location: Kirkwood, MO
Posts: 889
Quote:
Originally Posted by on the spot View Post
If you have the room I'd opt for through the back. Off the shelf components. Many slim profile options available. next to no real estate lost.

Through the bottom? at 6 foot a stock tank makes the most sense. Dual corner/dual herbies.

HTH
If the OP is still interested this is what i did. 16 inch shadow box. on my 210


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