De-rimming 2.5, 5, and 10 g Tanks
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Old 03-27-2010, 12:46 AM   #1
greenknight
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De-rimming 2.5, 5, and 10 g Tanks


I am looking to make several nano planted tanks..I found a LFS nearby
(no ..not PETCO) that has the 2.5 , 5 and 10.

They are beautiful flat glass rectangular tanks, but I am worried that I
wont be able to de-rim the bottom rim because when I was de-rimming
my last tank, it was Aqueon brand.

The problem with Aqueon type tanks is that the glass panels sit in a
plastic groove, and the bottom tank panel is slightly raised, not flush
with the four bottom edges.

so obviously the weight of water would cause it to crash down or leak
so thats why I didnt de-rim the bottom rim.

...now back at my LFS, the 2.5, 5 and 10 g's are NOT aqueon brand,
nor is the bottom panel raised that much.... just slightly..

now even if they have a slight groove to sit in..I figure it will pose a problem
since the bottom pane wont be touching the stand surface.

Would it be possible to ONLY remove the bottom panel and push it down
to make it flush with the side panels ?
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Old 03-27-2010, 12:54 AM   #2
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nope once you break the seal you really need to reseal the whole thing as silicone won't adhere to the cured silicone.

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Old 03-27-2010, 01:16 AM   #3
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Thanks Craigthor. Wont be trying that for sure.

Just had a bright or not so bright idea... What if I silicone a sheet of plastic, mdf..
or even glass to the bottom panel to make it flush with the 4 side panel edges on
bottom after I de-rim it ?

The sheet would sit inside the empty space created by the 4 side edges and fill in that
empty space...I hope I explained it correctly.

That would solve the worry about water pressure pushing down on the bottom panel ?

So.. what do you think ?
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Old 03-27-2010, 01:17 AM   #4
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Quote:
Originally Posted by greenknight View Post
Thanks Craigthor. Wont be trying that for sure.

Just had a bright or not so bright idea... What if I silicone a sheet of plastic, mdf..
or even glass to the bottom panel to make it flush with the 4 side panel edges on
bottom after I de-rim it ?

That would solve the worry about water pressure pushing down on the bottom panel ?

So.. what do you think ?
I wouldn't even worry about siliconing it in jsut cut to fit and put into place.

Craig
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Old 03-27-2010, 01:31 AM   #5
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Thanks again Craigthor !

Awesome... made my day.. These tanks at the LFS are very clean built..
beautiful thick glass...Cant wait to jump on this project tomorrow

I got the extra polishing attachments for the Dremel to remove the left over
silicone coatings after you have scraped most of it off.
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Old 03-27-2010, 09:01 PM   #6
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Quote:
Originally Posted by Craigthor View Post
nope once you break the seal you really need to reseal the whole thing as silicone won't adhere to the cured silicone.

Craig
i thought that the greatest strength of silicone is when it is applied to cured silicone. adheres better to cured silicone than glass.
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Old 03-28-2010, 12:09 AM   #7
bigboij
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I think the use of foam or a thick towel could help cover the gap on the bottom after de-rimming
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Old 03-31-2010, 07:13 PM   #8
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^^^ I agree.

Rimless tanks need to sit on a piece of foam to keep from cracking. The idea is that if a lot of weight is put on a tank with a rim the glass has a small amount of flex which stops it from cracking. But when you ahve the glass sitting directly on the table surface the weight of a rock will all focus on one popint, creating focused stress.

A piece of thin foam will allow the glass to disperse the stress and not crack.
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Old 04-02-2010, 11:26 AM   #9
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On mine I keep the bottom rim.



PDF on it:

http://www.natureaquariumclubofutah....immed_Tank.pdf
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Old 04-09-2010, 11:31 AM   #10
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Nice looking tank! Nice complete PDF on derimming a tank too!
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Old 04-10-2010, 03:52 AM   #11
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Thanks, wish I could take credit on the PDF.
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