Derimming a 75 gallon - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 05-01-2012, 11:48 PM Thread Starter
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Derimming a 75 gallon

I bought a 75 that had a peice of the bottom rim missing, and went ahead and took the rest of the bottom rim off. The glass is 1/2 inch thick (thick for a 75 I think?) The top rimming does not have a support across the middle like most do, so my question is is the top rim doing anything to support the tank at all? I want to convince my dad (futile, I know) that the tank won't fall apart if I do derim the top. Would it? I've researched a lot and do not think that it would effect the tank at all especially since it doesn't have a middle support bar in the first place.

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post #2 of 9 (permalink) Old 05-02-2012, 12:02 AM
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With 1/2 inch glass I'd say you'll be fine as long as there isn't any silicone deterioration. Might want to test it outside first, though.

-Chris

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post #3 of 9 (permalink) Old 05-02-2012, 12:05 AM
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I second the outside test. Also look for airbubbles in the silicone. The age of the tank will matter some too for the strength of the silicone.

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post #4 of 9 (permalink) Old 05-02-2012, 12:58 AM
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Half-full, de-rimmed 75 sounds like a great tank for a riparium.
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post #5 of 9 (permalink) Old 05-02-2012, 03:06 AM
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Search the diy section of the forum. Its been done before with success
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post #6 of 9 (permalink) Old 05-02-2012, 04:04 AM
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Originally Posted by kwheeler91 View Post
search the diy section of the forum. Its been done before with success
+1!

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post #7 of 9 (permalink) Old 05-02-2012, 04:27 AM Thread Starter
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Quote:
Originally Posted by CL View Post
With 1/2 inch glass I'd say you'll be fine as long as there isn't any silicone deterioration. Might want to test it outside first, though.
Definitely testing it outside anyway for silicone reasons.
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Originally Posted by chad320 View Post
I second the outside test. Also look for airbubbles in the silicone. The age of the tank will matter some too for the strength of the silicone.
I will be getting silicone and refilling some places that have been rubbed off and possible reinforcing the silicone on the sides to help it hole up.
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Originally Posted by hydrophyte View Post
Half-full, de-rimmed 75 sounds like a great tank for a riparium.
That's exactly what I would be doing if I didn't need the water space. I might hang some trellises though and I've seen you have some really nice ones... I'm thinking elephant ears/caladiums and some orchids.
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Search the diy section of the forum. Its been done before with success
I have, and I see that there is exactly my dimension tank there with absolutley no problems. Hmmmm...

Thanks for the replies. I am really excited about it.

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Last edited by rainbuilder; 05-02-2012 at 02:52 PM.
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post #8 of 9 (permalink) Old 05-02-2012, 09:05 AM
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Just so you know new silicone hardly bonds with old silicone

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post #9 of 9 (permalink) Old 05-03-2012, 02:42 AM Thread Starter
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Just so you know new silicone hardly bonds with old silicone
Oh thanks for the heads up! That saves me accidentally wasting silicone.

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