Aquarium silicone-what is it and where do you get it?

[brizzo]

Originally Posted by Koresample

I just got some plexi and made some mods to my refugium project. The silicone i bought from Home depot said 'not for aquariums' on the back (lucky i read this just before i was about to crack the tube. What do you use, and where can you buy it from?

Purple seahorse here in kelowna sells GE 1200 construction silicone.

But like Tangman said, you cannot use silicone for 'glueing' acrylic/plexi. It needs to be chemically welded.

If you can post some pics of what you have in mind, I might be able to help you with it.