Habitat - Indoor :: New tank

[staman]

Steve, two things that come to mind to bond glass to plexi are vulcanized silicone and polymer epoxy. The trick to using 2 stage epoxy is to use mostly glue and very little hardener. A high ratio of glue to hardener will result in a more flexible or pliable epoxy as opposed to a brittle one found in the 10-20 minute varities. You need this to bond successfully to glass. To get epoxy to bond to glass you need to clean the glass with acetone first as well. Heres a company that specializes in making epoxy's to bond glass to metal and acrylics:

http://www.dymax.com/products/glass/glass.asp

(Sorry about the link)

Obviously epoxy is toxic so it wouldnt fare too well for the turts. I was wondering if you could seal over it with aquarium silicone? Once it completely cures can it react with water?
I might be wrong but isnt "aquarium safe" silicone just 100% pure silicone without the chemical hardeners/curing agents?

[steve]

I'll think I'll stick to the all glass/all acrylic idea If we're dealing with large tanks, I'll be considered about any bowing and how the seals would hold up.

From what I learned, G.E. used to mark certain types of their silicone as aquarium safe and it was just their standard silicone. They changed the label (and still sell it) because it couldn't be guaranteed in very large tanks, but it was safe to use regardless. I still went with the aquarium safe silicone from All-Glass.