Best way to De-Rim? - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 05-08-2012, 09:08 PM Thread Starter
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Cool Best way to De-Rim?

I am setting up my first nano tank soon, and I am planning on having it rimless.
I have read various methods here and there on how to do this, but do any of you have a "tried and true" method you use? And feel free to tell me what NOT to do, I am not looking for broken glass or bloody fingers.


Thanks in advance.

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post #2 of 10 (permalink) Old 05-08-2012, 09:33 PM
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Be patient! The smaller the tank, the more annoying it is to de-rim. Get a big pack of flat razors and clear your schedule. There really isn't any "trick" to it.
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post #3 of 10 (permalink) Old 05-08-2012, 09:50 PM
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Like GitMoe said, have razors and take your time. Start by sliding the razor under the rim and continue over and over again. Once you get one side loose you can try to cut the rim with some wire cutters. After it is off you will need to continue to scrape silicone off with a razor. It might not even hurt to try and sand the edges of the glass down. I used a file and a knife sharpening stone on mine.
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post #4 of 10 (permalink) Old 05-08-2012, 10:16 PM Thread Starter
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Thanks guys, I am going to try soaking the razors in acetone to help loosen up the silicone under the rim. Would you suggest buying two tanks from the start *just in case*?
5 and 10 gallon tanks are pretty cheap, I have no problem getting 2.

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post #5 of 10 (permalink) Old 05-08-2012, 10:29 PM
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I used a vibrating saw to cut my rim into four chunks. Then use a putty knife to get under each section and slowly pull them off. Some spots I had to us the saw to remove just the very topside of the plastic. I even did mine full of water. Well I was't going rimless just putting on a new rim but same process.


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post #6 of 10 (permalink) Old 05-09-2012, 02:42 AM
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I reduced the amount of time and effort on de-rimming projects by using a heat gun on low setting combined with a nice utility knife, changing out blades often. Heating the plastic to near taffy leads to less chipping in my experience.
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post #7 of 10 (permalink) Old 05-09-2012, 03:33 AM
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I just used my teeth and pulled it off and it worked really well.
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post #8 of 10 (permalink) Old 05-10-2012, 02:01 AM
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I really researched it and got all the stuff I needed and dragged a spare 10gal out to the back porch and went to work. I am small and have zero hand strength. Barely started with the blade and powdered the wall.

Um, wear eye covering when you do this--OK?

sox


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post #9 of 10 (permalink) Old 05-10-2012, 03:05 AM
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Has anyone every experienced bowing glass after de-rimming a tank?

I saw a couple of posts on a reefing forum talking about bowing issues after the rim was removed from the tank.
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post #10 of 10 (permalink) Old 05-10-2012, 03:54 PM
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Anything over a 10 gallon you might see some bowing...I have a derimmed 5g and 10g with no problems whatsoever and they have been filled for over a year. They are also cheap walmart tanks =/
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