Hmm, I don't see how I should have to worry about that when I already have 500+lbs of water and substrate already pressing against every inch of the glass. The slate is more or less standing straight up and leaning only slightly on the glass.
Edit: Oh and the heaviest piece in there now is no more than 10lbs and all the foreground pieces are supported straight up or on a piece that's laying flat.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.