Can this tank go rimless? - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 02-18-2011, 06:49 PM Thread Starter
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Can this tank go rimless?

Some info:
This tank was custom built to be used as a sump.
The dividers for said sump have been removed and all of the silicon off the front and back have been cleaned off but the silicon down near the base of the tank is a bit messy(I will clean that up).
The tank's dimensions are 32"x16"x18" and holds approximately 35-36 gallons.
The glass is 1/4" thick.
The rim is not made of one solid piece of plastic- it's 4 different pieces with mitered corners.

So.....could I remove them and have a study tank? Or is it risky? Or flat out not recommended?
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post #2 of 7 (permalink) Old 02-18-2011, 08:08 PM
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Most people wouldn't de-rim anything over 10 gallons. The bowing would be too great. 36 gallons of water on your living room floor is not cool.

"Simplicity is the ultimate sophistication." -- Steve Jobs

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post #3 of 7 (permalink) Old 02-18-2011, 08:09 PM Thread Starter
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Well, my floor is finished concrete, so it wouldn't be too bad to have 36 gals of water on the floor. But I would be mad about being out of a tank haha.
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post #4 of 7 (permalink) Old 02-18-2011, 08:38 PM
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picture of the rim? its odd that you say its mitered and not one piece, it would seem to me then if it is not one piece it is doing little to hold the tank together, more of decoration. That being said like it is mentioned bowing is a possibility, it wouldnt have been an issue with the interior dividers in place as they would have held the middle together, so maybe do a test fill and see if there is bowing now that they are not in place?
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post #5 of 7 (permalink) Old 02-18-2011, 08:45 PM
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mitered corners means your rims are only aesthetic, not structural, so they can be removed. the removed dividers, however, might have been figured into the tank's strength by the builder. i'd search for an online tank calculator and make sure you didn't already make the tank unusable.


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post #6 of 7 (permalink) Old 02-18-2011, 08:54 PM
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http://www.theaquatools.com/building-your-aquarium is an easy to use glass thickness calculator. I tried it for this and it says that 1/4 inch glass is adequate for a tank, giving you a safety factor of between 2.5 and 3. I say you can remove the rim with no worries.

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post #7 of 7 (permalink) Old 02-18-2011, 09:37 PM Thread Starter
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The sump dividers where put in by the buyer(and removed), not the constructor, so I don't think that the constructor put that into his plans.

The corners are siliconed together and to the glass rim- they aren't just plonked on there.

The tank and stand only cost me $40......I think I'll try it. I can fill it outside and leave it for a few days too, just to be sure. Even if I don't mind cleaning up the floor, I doubt hubby will appreciate it haha.
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