Dear Steve,
 
My first suggestion is that you learn their language (LOL).... your ferrets
are speaking to you but you're obviously not understanding.... how many
times DO they have to tell you which corners they want a litterbox in?
 
Seriously, though, the only way to stop them from using those corners is
to place something in the corner so that it's not a corner anymore.
First, clean the area well using white vinegar.  (There are more expensive
deodorizers but none of them work as well on urine odors!)If it's carpeted,
soak the area with white vinegar mixed 50:50 with water.  Soak up the
vinegar water, rinse with clear water twice.  (Towels can be used to soak
up the water.) Allow carpeting to dry before placing anything on the area.
 
You can place food and water bowls in those corners after cleaning.
 
Or you can try putting a sleep box there.  It's a cardboard box sealed up
with a "mousehole" cut in the front and a used sleep blanket inside... it's
important that the box smells like a ferret sleeping place so be sure to
include unlaundered ferret bedding.  If you want something a little
fancier, you can paint the box or use a plastic storage container (16-18
quart size) in a color to coodinate with the room.  (Which can also be used
for discrete litter boxes!)
 
Good Luck
Debi Christy
Ferrets First Foster Home
[Posted in FML issue 3422]