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About LinkBacksI have a tank that has been drilled on the bottom but has been siliconed up with a peice of glass. Now I want to open up that hole and start building a drain pipe to a sump.
I tried using some metal wire to slide underneath and seperate the glass but the wire keeps snapping. Anyone have any other methods to seperating the glass?
I want to avoid any chemicals if possible for obvious reasons.
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removing siliconed glass from drain hole
This is a discussion on removing siliconed glass from drain hole within the DIY Area forums, part of the Aquarium Related Chat category; I have a tank that has been drilled on the bottom but has been siliconed up with a peice of ...
- 05-30-2010 #1
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removing siliconed glass from drain hole
- 05-30-2010 #2
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I usually use a box cutter or razor blade for cutting into silicone.
- 05-30-2010 #3
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+1 on the blade.
If the silicon is just on the outside of the piece of glass this will work best. If its under the glass as well, once you have cut the silicon around the glass you mat be able to carefully pry it up.
The other way is to drill the piece of glass instead of removing it.House for sale, all tanks gone for now
110g SW still available
Once I've moved I'll figure out where and how many new tanks will be coming....
- 05-30-2010 #4
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can't cut around it because it has silicone underneath it as well. I'll try prying but I tried that last time and the glass broke. Several times haha. I'm trying to avoid broken glass if possible.
- 05-30-2010 #5
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- 05-30-2010 #6
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hm.. If I decide to drill I might as well get a new tank while I'm at it. My tank right now is pretty beat up.
- 05-31-2010 #7
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how about sharpening the end of a narrow putty knife and tapping it under with a hammer.
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- 05-31-2010 #8
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the piece of glass is about 5"x5" so that's not possible. Using a hammer to pry it would also cause the glass to break.
Originally Posted by darb 
I think I might just buy a new tank and drill it myself.. less of a hassle and then I can drill the hole on the back of the tank too. This is sounding more and more appealing haha.
- 06-01-2010 #9
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anymore solutions before I attempt to pry off the glass this week?
- 06-01-2010 #10
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2 way I know to do it...
1. use a solvent like "silicone, wax, and tar remover" (you can get it at any auto paint supply)... it's used to clean cars before they are painted. then wash it really good... also make sure not it get it on the rest of the silicone.
2. I had to remove a piece like this once. it was siliconed in to a bung hole in a plastic fish tote ( 4x4 foot watertight crate used for shipping fish) I had to break the patch and pry and cut the shards out.
A little tap with a hammer and nail should break the glass patch and leave the tank undamaged
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