hello, been a while. but very busy person here sooo many hobbies.....its unreal. my gecko is 4 months old this month an is doing fine. have been using paper towels since i first recieved him. is it ok to start using eco earth loose coconut fiber for substrate. need to know if its ok at this point, dont want him to end up with impaction. asking this because i think he may be getting lil bored. thnx