It's inevitable that you'll need to increase his hide size as he grows. In a glass tank set up hides tend to be more important than in a rack system where the closed sides of the rack provide security.

You'll also need to eventually deal with making the move from your 10 gal tank to something larger. It would be an ideal time to change over to a tub, rack, or PVC cage. Something that he will occupy for the rest of his life.