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#1
10-13-2011, 03:12 AM
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The reason to have the bottom floating is that silicone is far superior in tension than it is in shear. A small nick in a seam, can fail catastrophically if it's not in tension.
That being said, I have a 20"Wide x 20"Tall x 7" Thick that is sitting on the bottom pane of glass for over 3 years without any issues.
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Ross 9 Gallon Nano, Modular LED Lights 14 Gallon BioCube w/ Rebel LED Lights 67 Gallon Mixed Reef, Modular LED Lights Send in the Clowns - Clown Fish Breeding 5 Gallon Fry Hatchery and 15 Gallon Clown Grow Out Tank 
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#2
10-13-2011, 04:11 AM
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With the side glass on top of the base glass all it takes is your stand to be a little wonky and the bottom is sure to crack. Even the cheap Hagen tanks are footing bottom when you take the trip off. I have had a couple tank built with not a floating bottom & both have cracked shortly after being set-up. ( I didn't build them )
If you post exactly the inside dimensions you want I can tell you what sie to get your glass cut & I would suggest to go with 10mm glass it is much nicer to work with and looks great.
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Feed the bear goodies, make a new friend, don't feed the bear............... 8' - 165gal Reef DIY LED's Build 2012 Nano Contest Winner Febuary 2013 POTM Winner 300 gal + 60 gal Complete DIY Build
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#3
10-13-2011, 04:22 AM
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Ross hit the reason right on the head. I can be done either way but a floating glass pane is superior. If you give day or two I'll put together a tank building tutorial. It's something I've been meaning to do for a while. This will give me an excuse. I called on several professional tank builders to answer questions, so this isn't me preaching but passing on what I've learned over the past two months.
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#5
10-17-2011, 11:57 PM
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Still waiting on my glass, Again big thanks to grizz for all the calculations and Scuba for the overflow directions.
My glass company phoned me today and decided to tell me that my tank will Blow out if i do not use tempered glass. I of course just told them no it wont its 3/8 glass with euro brace. So what do you tank builders think of what they told me. they tryed and tryed to talk me out of it. Last edited by Steve-O-; 10-18-2011 at 01:17 AM.
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#6
10-18-2011, 12:34 AM
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Just tell them you do not want tempered glass & not to worry about what you are building. Being 20" x 16" it could have been made out of 1/4" glass & still would not blow out, so being 3/8" it will be just fine as long as you get it sealed right.
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Feed the bear goodies, make a new friend, don't feed the bear............... 8' - 165gal Reef DIY LED's Build 2012 Nano Contest Winner Febuary 2013 POTM Winner 300 gal + 60 gal Complete DIY Build
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#8
10-18-2011, 01:28 AM
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When I order glass from a glass shop I don't tell them what I'm doing with it, there not tank builders & have no idea what the hell there talking about. Only a glass shop that actually builds tanks have a clue.
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Feed the bear goodies, make a new friend, don't feed the bear............... 8' - 165gal Reef DIY LED's Build 2012 Nano Contest Winner Febuary 2013 POTM Winner 300 gal + 60 gal Complete DIY Build
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#9
10-18-2011, 02:37 AM
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Quote:
Do at Grizz sayes and dont tell them what its for. I've heard of places wanting wavers signed for liability reasons.
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Ross 9 Gallon Nano, Modular LED Lights 14 Gallon BioCube w/ Rebel LED Lights 67 Gallon Mixed Reef, Modular LED Lights Send in the Clowns - Clown Fish Breeding 5 Gallon Fry Hatchery and 15 Gallon Clown Grow Out Tank
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#10
10-21-2011, 01:05 AM
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OK have my glass here. So i will make a writeup from start to finish inc the bean overflow build. I could be wrong in some area's of my documentation but will have you guys to help make it proper. Also again thanks for the help
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