10 gallon derimming - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 01-20-2012, 05:08 PM Thread Starter
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10 gallon derimming

So I love the look of rimless tanks. This will be my future shrimp tank also!

So, I looked around the DIY section and all the threads were just pictures, not what you needed, etc. So could someone link me to a thread? Or let me know the process as it seems pretty simple. What tools, etc.

Also, 10G seems like a pretty "safe" derimming, no?
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post #2 of 8 (permalink) Old 01-20-2012, 05:10 PM Thread Starter
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If it works, it works. I have a 10g that's being threatend to be thrown on Craigslist free. So I need to do something with it :p

Also, will be leaving the bottom ON
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post #3 of 8 (permalink) Old 01-20-2012, 06:39 PM
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You have to be very, very careful. I cracked the corner of mine doing it and ended up ruining the tank in terms of looks - it does still hold water.

Basically you need a very thin knife that can get under the edge and cut away the silicone. Once the rim begins to loosen up you need to gently lift edges. This is where I cracked mine the first time i did this, the trick is to try to lift each corner up evenly and not just reef up on one side. You can try to tap the corners with a hammer and a thin chissel but this can quickly turn into a disaster if you aren't careful.

It can be very tedious if there is lots of silicone, but you might get lucky and find that it comes off easily.

Another idea might be to use cutting tool such as a dremmel or similar and cut pieces of the frame and take it off bit by bit, but for me this is untested.
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post #4 of 8 (permalink) Old 01-20-2012, 07:04 PM
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There are several ways to do this. I used a tiny block plane to trim off the top corners of the plastic trim, almost down to the glass. Then I used a utility knife to cut through the plastic trim at each corner, so it was in 4 pieces, not one. Then I used the utility knife to cut through the silicone inside and outside of one piece at a time. Only then did I try to gently bend up the inside and outside "flaps" of trim. It came off pretty easily, but I still put some small pits in the top edge of the glass. The next step is very important: use a sillicon carbide stone to break the sharp edges of the glass, so you don't slice a big cut in your hands as you work on it. Last is the hard part, clean off the old silicone thoroughly.

Hoppy
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post #5 of 8 (permalink) Old 01-20-2012, 07:24 PM
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I haven't done it but I'd imagine using a soldering iron to melt parts of the plastic off. It should be easy and won't scratch or crack. Do it outside because of the fumes. You can then scrape off the silicone.


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post #6 of 8 (permalink) Old 01-20-2012, 07:37 PM
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Sounds like more trouble than its worth.... might as well buy some plexiglass and glue it together yourself. Just kidding. Good luck! Let us know if you go through with it.

10 gal:
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post #7 of 8 (permalink) Old 01-20-2012, 07:47 PM
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When I derimmed my 20l I used my heatgun on the lower setting to just soften the top rim to near taffy-like consistency and just used my utility knife to slice off sections as I went along. using the heatgun the whole process took me less than 20 minutes to derim and remove excess silicone.
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post #8 of 8 (permalink) Old 01-20-2012, 07:59 PM Thread Starter
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Got it all off to realize The was a crack underneath. I must have done it while it was in use, oh well. I may head out to try my luck again with a new one for $10. Thanks for all the help guys, it worked well.
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