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Fredfish
08/25/2017, 05:23 PM
Not going so well.

I used an e string from my guitar to cut through the silicone on both ends of the front pane, but can't get it under the bottom (sides are on top of the bottom).

I pulled apart a disposable razor with which I can get part way under, but then it too is too thick for the layer of glue.

I tried some isopropyl alcohol to see if it would soften the silicon, but it does nothing. I can't really use anything more aggressive because the tank is in my apartment.

Any suggestions would be welcome.

bhbell
08/25/2017, 07:13 PM
Someone mentioned using a strip of plastic milk jug.

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Clowning_Around
08/25/2017, 08:06 PM
Obviously scrap with a razor the majority of the seam around that bottom perimeter if you hvent already. Now with that done you mentioned ha ing used a string on the side panels. Make sure the sides are completely free. Next you should be able to gently start to turn each vertical pane outward. If needed use a 1in metal putty knife to slice thru the joint as ypu begin to open it by having rotated a pane outward.

My advice, if you have to risk any, start with the smallest end pane which is the cheapest to replace if anything does happen.
Gluck.

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Fredfish
08/25/2017, 08:45 PM
Obviously scrap with a razor the majority of the seam around that bottom perimeter if you hvent already. Now with that done you mentioned ha ing used a string on the side panels. Make sure the sides are completely free. Next you should be able to gently start to turn each vertical pane outward. If needed use a 1in metal putty knife to slice thru the joint as ypu begin to open it by having rotated a pane outward.

My advice, if you have to risk any, start with the smallest end pane which is the cheapest to replace if anything does happen.
Gluck.

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Doh! Missed the obvious. I'll try that. That front pane is not going to turn out as is.

Good idea to do the end panes first. I can get a blade part way under the outside of the seam, so it is probably going to be easier to turn the big panes inward.

Thanks.

Lsufan
08/25/2017, 08:55 PM
I would do like the post above mentioned & make sure u remove all of the inside seal on the tank. On the couple I have done, once I removed all the silicone from the inside I was able to fit a small razor blade inbetween the seems & cut through some of it. I usually do the front & back pane first because once u get enough silicone cut out it will start to move a little bit. Once it starts to move u can slightly pull on the glass to open up the seam just enough to fit the razor to cut it all the way through. U do have to be careful not to put to much pressure on the glass. The size of the tank & how it was assembled will also determine the best way to go about it

Fredfish
08/26/2017, 02:15 PM
Tank is now apart. What ended up working best for the two remaining side joints was to use the blades from the disposable razor to work a section loose followed by a utility knife blade to spread the glass a bit. There were sections where even the razor blade was too thick.

The bottom I had to work at from the outside with the disposable razor before the glass would really tilt inwards at all.

FWIW, the e string was .0095 in and the disposable razor, .0045 in. There's not much silicone in those joints.

The glass is 3/8', the tank is a 65g long, 48x18x18.

It is going to become a 44 gallon sump 48x18x16 if all the cuts go well.

Clowning_Around
08/28/2017, 11:28 AM
Glad it worked out

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