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#1
08-13-2007, 04:40 AM
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Kevin:
Hey--I know what you're saying. Those were my exact concerns! But I was also told by a tank builder that, as long as you keep the tank 18" and shorter, 1/4" glass will suffice (garf.org also agrees). Does this make sense to anyone else?
__________________
~Drew 10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz  
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#2
08-13-2007, 05:21 AM
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Are there any 36" cubes at any of your LFS's right now? If so, take a tape measure and see what they are made of.
__________________
Mark.
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#3
08-13-2007, 01:32 PM
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If you keep the tank below 20" tall and do not increase the the length (36") your tank will be fine provided you brace it.
Actual volume has nothing to do with glass thickness, only height increases pressure (m*g*h), however the hydrostatic force created by this pressure will create a bending moment (deflection) and the longer the tank the larger the bending moment, but 36" is fine for 6mm. No point going overkill on glass thickness, you just loose clarity and add weight.
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#4
08-14-2007, 01:12 AM
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Quote:
__________________
500G Mixed Reef  __________________________________ Electrician, Electronics Technician, I can help with any electrical questions you might have!! __________________________________ Kevin
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#5
08-14-2007, 04:13 AM
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Cool. Thanks guys. I've separated the two tanks (not a positive experience!), and now I have the fun job of stripping all the old silicone off of it. Let's see if I can actually make this work!
__________________
~Drew 10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz
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#6
08-14-2007, 04:25 AM
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Seems scary to me... you are doubling the water volume, and upping the pressure behind the glass - trying to push it out. I wouldn't. Just my 2 cents.
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_______________________________________ Have a good one!
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#7
08-14-2007, 04:40 AM
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This guy's thread on RC shows that he had a 48" x 72" tank made with 1/2" glass. I'm not sure of the height...I think 20-22". I would think a 36" x 36" tank at a height of 18" would be ok with 1/4" glass.
Everywhere I've read said as long as you don't go above 18", 1/4" glass is ok. But people are makin' me nervous 
__________________
~Drew 10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz
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#8
08-28-2007, 03:49 PM
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Quote:
As stated before volume has nothing to do with pressure, only hieght (pressure = density * hieght * gravity). The only force that pushing outwards on the glass is a hydrostatic force cause by the pressure.
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