aquarium glue

Question
I am looking for a aquarium safe glue to hold rock and driftwood formations together. Is there any special product you reccomend or have used. Will plain silicone due?
Thanks

Answer
Hi William;

I've always used silicone aquarium sealant. Just make sure the parts are clean and dry before you start. Here is a web page with instructions for making caves. They used silicone and hot glue;

http://www.cichlid-forum.com/articles/diy_caves.php

Followups welcome

At Your Service;
Chris Robbins