silicon

[midgetwaiter]

GE 1200 construction silicone is what most tank builders use. You can also try some of the GE Silicone from the hardware store but you need to get the one that doesn't have any mold inhibitors. I don't remember if it is GE I or GE II, definitely not the kitchen and bathroom stuff. Most stores will carry smaller tubes of silicone from All Glass or somebody else, these are usually expensive but the easiest way to go ahead for sure.