Other than cleaning the boxes often(I got them twice today) is there anything I can do to keep him from indulging in 'cat box crispies'? I think I should mention Dex is on pills(for dogs only) because we have had issues with him attempting to indulge in his own poop. It seems sporatic(as does him raiding the litter box) but he has raided the box more than he has tried to eat his own poop(and since he is walked on a leash to go potty as we don't have a fences yard it is a lot easier to prevent it from happenning.) He was rescued with 13 other dogs and they weren't being fed so I'm assuming he learned to recycle what came out.
Half this problem might have just solved itself, Dexter just ambushed Nuts in the litter box so I might have to look into getting a gate to block off the hallway to the bathroom. Freaking dog.