Quote Originally Posted by Mentat View Post
There are many aquarium silicone products in caulk gun type containers both in clear and black. A quick search at Amazon produced various products; probably lot's more if conducted a search in internet. It might be cheaper to buy silicone at hardware store; but you are taking your chances with it .
That's what I buy. You can be sure it's safe, get more for the money, and with the caulk gun it's really easy to use. Just peace of mind for me.