Sealing an old glass 150gal

  • We are currently upgrading MFK. thanks! -neo

Petrella88

Gambusia
MFK Member
Sep 29, 2008
201
0
16
Chicago
I just picked up a standard 150 gallon from a guy off craigslist for free. Very thick glass maybe 3/8 or 1/2 inch and it has no upper or lower center transoms. He told me there was a slow drip. The center eventually bowed out to reveal a bit more than a slow drip in which case he drained and made an attempt to seal by running a bead of sealant. Now I have the tank and there is about a 1/4 inch gap where the bottom and rear of the tank meet running about 16 inches from the center because he removed all the sealant and tried to run a massive bead but it failed. What is the best way to go about drawing the rear panel of glass flush to the bottom panel so that I can seal it. Also do you think it is in my best interest to install lower transoms so that the pressure doesn't draw the panels apart again? I was thinking I could use ratchet straps like I use for tie downs on ATVs and motorcycles and I also I have large bar clamps I use for carpentry work but I just think these methods may be a little too forceful for working with glass. While Im at it should I install upper transoms as well? Will I need to redo all the trim again? My standard 125 gallon has center transoms at every third interval and I just dont feel comfortable having a tank more than 75 gallons with such a minimal amount of outward support.

I just want this tank to fit my standards so that I can trust having it in my home or trust that if I sell it I wont be sending a bad product into someone else's home.

Thanks everyone, the sooner I can get this tank off spare tires and out of my backyard the sooner I can enjoy having yet another 100+ gallon aquarium.
 
i would probably pull build new frames for it out of either quarter in steel at ninety degree angles or out of wood if you prefer. then pull every last piece of silicone you possibly can clean up all the edges fit it in the new frames and go to town with the silicone
 
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