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Old 05-01-2005, 03:23 AM   #1
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why is the glass bending?

i just set a 55 gallon reef tank up...i looked at it today and noticed a major bow in the front and back...is this normal at all...like the glass is under alot of pressure...the tank is long and narrow..has this happened to anybody else? im afraid its gonna give and breaK...what to do?
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Old 05-01-2005, 04:55 AM   #2
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It should not bend noticably. Does it have a center support brace? Most 55gallons I have seen are 4' long and have a plastic brace going from front-to-back on top. Without this, it might be very very unstable.
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Old 05-01-2005, 09:21 AM   #3
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I've never seen glass bend.
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Old 05-01-2005, 10:24 AM   #4
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Thats not good at all...... If it was me I would take the tank down...
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Old 05-01-2005, 11:01 AM   #5
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Sounds like a flood waiting to happen.
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Old 05-01-2005, 11:15 AM   #6
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What thickness is the glass on this tank? If it is only 3/8 glass it will likely bow a little. How much does it bow? 1/4" in 4 feet or what?

My larger tanks (90 gal) are all 1/2" glass and of course they do not bow at all since the glass is that much thicker.

You may want to add your own acrylic center brace or even braces in the corners on the top to help hold if you want to keep the tank...
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Old 05-01-2005, 02:32 PM   #7
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Sounds like the center brace if one exists was removed. IF there was a brace on this tank you need to keep a brace there as the tank manufaturers will use thinner glass and add a brace for stability. Its cheaper for them this way.
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Old 05-01-2005, 03:16 PM   #8
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Uh Oh I would take it down.....
8O
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Old 05-01-2005, 07:54 PM   #9
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yes.. the brace was broken so i replaced it with something i made....but i didnt think it would actually bow...but considering if the glass is thin ...then yea i guess it would bend a bit without a brace...that thought didnt really cross my mind tho....the canopy i built was fairly loose when i placed it on the top....but when i took it off... it was very snug...it was also snug when i put it back on there...will this brace i made and my tight fitting canopy hold this booger..and keep it from bowing all the way out till my fish are on the floor?
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Old 05-01-2005, 08:32 PM   #10
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If you have a tight fitting canopy, maybe you could re-configure it to include some sort of brace (and keep it on).
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