glass tank crack reseal a good idea?

  • We are currently upgrading MFK. thanks! -neo
When working on a tank the rule of thumb is clean it, clean it, clean it, clean it again, wipe it down with alcohol, clean it, wipe it down with alcohol again, then start thinking about cutting open the tube of silicone.

Remove the trim, then use guitar string to cut the old seam. Then scrape the residual silicone off the glass (not a time to be lazy, or say good enough). Then its time to clean and start reassembling.
 
Id just replace the glass on the side of the tank. If your going to plate it tgen the plate needs to be alot bigger than the crack site

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Buy a snake to put in this tank, its done!!!
^^AGREE^^
A new tank should be on order. If a tank cracks, it is time to re-evaluate some things:
Is the stand its on adequate?
Is the tank an old or used tank where the history isnt clear?
Is the repair and the "money saved" worth it? Repairing a tank with built in overflows and drilled glass makes sense sometimes but a regular commercial tank is usually not repairable or worth repairing. Tanks that are made en-masse by tank mfgs are made to go together quickly, but not made to be repaired. Just getting the trim off could damage or break the remaining panes.
Give your friend some sound advice and encourage a new tank.
 
It would depend If the glass is tempered or not. Tempered will shatter even with the patch. I've seen serval tanks with patches hold water for many years. I would use glass patches that are the same size as the inside diamentions of the panel. This type of patch will help prevent a major blow out.


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