This past weekend I worked on my first clay background in my new 40gal breeder. I used the kitty litter method and everything looked amazing until I came home from work yesterday...cracks are appearing everywhere. I fixed them and made sure to spray the background a little to keep it damp. I came home today only to find even more cracks! I am terrified I'll come home only to find my entire background in the tank! Helps someone please I really want to fix this before I have frogs in there.