Cleaning and Disposal :

Dwarf rabbit cage
Clean litter boxes often to encourage your rabbit to use them. Use white vinegar to rinse boxes out. For tough stains: let pans soak. Accidents outside of the cage can be cleaned up with white vinegar or club soda. If the urine has already dried you can try products like “Nature’s Miracle” to remove the stain and odor. To dispose of organic litters, they can be used as mulch, or can be composted.
Rabbit pills can be directly applied to plants as fertilizer.
What kinds of cages work best?
Use a cage large enough to contain a small litter box (along with bunny’s food and water bows, toys, etc.) and still allow enough room for the rabbit to stretch out. Place the box in the corner of the cage that he goes in. With a litter box in the cage, when the rabbit is confined to his cage, at times when you’re not home, cage time is learning time.
What if my cage is on legs or has a door that opens on top so the bunny can’t get into it on his own?
If it is on legs, build a ramp or stairs, or pile boxes to make steps-anything so he can come and go on his own.
If the door is on top, put a small stool or box inside to help him get out. A board or piece of rug to help him walk to the edge of the cage, and a ramp, stairs, stool or boxes to help him get down (and up again).
What if my cage is too small for a litter box or I don’t use a cage?
If your cage is too small for a litter box, you may have a cage that is too small for your rabbit. Housing FAQ on House Rabbit Society site (see address below) has lots of info on appropriate cages and enclosures.

Dwarf Black Rabbit
If you have a dwarf rabbit and can’t get a small litter box, a good substitute is a Pyrex baking dish. Even 9″ x 9″ is sufficient for a small 3 or 4 pound rabbit.
You may have a cage with wire on the bottom and a tray underneath that catches the urine. In this case, the tray is the litter box and the cage itself is where the bunny learns to go. You can often place the litter box in the tray, under the cage, so that you need not fill the entire bottom with litter.
If you don’t use a cage, you need to give the bunny a particular area to call its own. Just put a litter box wherever the bunny seems to prefer.
