How Long Do Tanks Last?

I think it certainly could vary from tank to tank. I once had a 100gal
glass and silicon tank where most of the silicone along the seam was peeled
out after all the years (bought used and at least 8 years in my posession).
The important part (I believe) is the silicone that's between the panes and
actually in the joint itself. Look through the glass joint, the more
bubbles you see in the joint, the higher the chance of it failing.

Justin

"Angrie.Woman" wrote in message
...
My 29 gallon is probably 20 years old. Today, I was scraping a little
algae
off with a magnet, and I saw a small flap of loose silicone. So, what is
the lifespan of a siliconed tank - anybody know?

A
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