How to repair crack on glass

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boyohboy

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Jan 28, 2004
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I just made some small crack on the back of the tank :sad :sad

The cracks aren't leaking water.... yet. But they are around a drilled hole fitted with a bulkhead... close to the bottom.

Is there anyway to fix it?

Maybe get a piece of glass and just silicon it over and around the cracks and drilled hole? (then have to use a overflow box)

Any suggestion welcome.
 
well, my suggestion is to remove the whole piece of glass and replace it with a new piece fo glass without cracks. Don't mess around with glass that is cracked. Just my $0.02
 
hum that's another way to fix it I guess.

But how difficult to do it tho?.... need to remove both top and bottom trims... cut out the cracked glass... and silicone up the new one.... Can a glass-working-newbie do it? Also is it required/needed to re-silicone ALL the glass seal of the tanks or can I just re-do that one side of the tank?
 
What size of a tank are we talking about again?

Im no rocket scientist, and it's not my tank.....BUT I would get a new tank, but thats just me.

I wouldnt want a bad accident on my new carpet I spent $3000.00 on.

-just my 2
 
it's only 30G, not big at all. But it's a special (breeder's?) dimension, 24"x18" x 16" tall. So I duno where I could possibly find the same size again to fit to my current space.... unless I go with custom made somewhere but that may cost alot :confused:
 
I haven't got around to look for glass-cutter around here yet but I'll look around soon.

And about replacing glass... do I need to re-do the WHOLE tank? ie to make a continuous seal along all the edges? Or can I just do that one side alone?
 
I'd replace that side, at least. If you do a search on 'replacing glass' or some such, you should find a number of threads that describe the process. 30 gallons is a lot of water on a floor; try dumping a five gallon bucket of water on the floor. Its a lot of water.

Jim
 
huge job

:eek: It is a seriously huge and time consuming job to remove all the silicone, and I mean ALL TRACES of silicone from the glass and other surfaces. Not to mention getting the fish out, removing the gravel, etc. A glass window store would probably be able to cut what you need if you can get them exact measurements. You must use aquarium silicone and let it cure for 24-48 hours before putting everyone back in it. I vote for buying a new tank. It might be a special order in some stores, but it's not an impossible item to buy. And yes, you only need to remove the one side, but it requires removing the top and bottom trim. Buy a pack of razor blades and start scraping! I think you then have to rub it with alcohol or something similar to get all traces of silicone off before attempting to reseal it. Otherwise, it won't seal properly. Ummmm.....maybe fill it on the driveway or in the bathtub first to test it out?????
 
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