Hi substrate question..i never used substate before..always used paper or matts.. so i got a 800 gram female and she has not ate in 3 weeks i called the guy i bought her from and he thinks it because she is on paper and not what she is use to..aspen bedding..so the question is is aspen okay or should i go with something else.. thinking of moving all my guys on to substrate.. what do u think..:confused: