This is how we poop proofed our ferret cages. Just like in hockey, football, and soccer, they say keep the ball in play and do not let the other team score! Smile well for me being a ferret owner for sometime now I say keep the poop in the cage don’t let it hit the floor! The Ferret Nation Habitat cage was our first cage investment and it is very well constructed and very nice. However I do not think many of the folks who design these cages own ferrets. If they did they would know how ferrets back up into corners to go to the bathroom, and many times those corner litter boxes make a mess as the lip is not high enough, or if it is, will not fit correctly in the cage, or they kick out the litter. Let alone cleaning up the litter from all the corner boxes it would require for each level.
So as you can from this photo we have all corners covered for accidents, what we have done is placed a tub at the bottom and use compressed pine pellet product that we get at the local Tractor Supply store. The black tub at the bottom that holds the litter can be purchased at Lowe’s and probably other home improvement stores, it is called MacCourt 36″ x 24-1/2″ High Density Polyethylene Large Black Mixing Tub. I did have to cut the top rim off so it would fit, if you have a good pair of tree branch loppers, they will do the trick. That is what I used, and took maybe 30 minutes with someone to help hold it.
The orange plastic areas are drawers from one of those cheap 3 or 4 drawer storage boxes you get at Wal-Mart, they come in all colors and clear. Try to get one as close to the depth of the cage as possible. I also used milk containers for food bins in 2 of the corners, just leave a good size lip, I used some wire and poked a few holes to tie them into the corner so they could not lift/spill or move the milk jug food bins. Same goes for the orange areas, I used wire to tie on to the cage. The black tub is not tied to the cage as you can slide that in and out for easy cleaning.
Our ferrets occasionally will have an accident on the upper levels, but in the cage is where it stays, not off the side down the wall, and or on the carpet. They most of the time will use the bottom where the litter is, so it is rare for them to go elsewhere. Below is another of our cages, the Ferret Nation Habitat cage.
The Ferret Nation Habitat is a better constructed cage than the Marshall Estate, however the Marshall Estate is a good cage, I sometimes see the Ferret Nation Habitat for about 10 bucks more and in that case I would choose the Ferret Nation Habitat over the Marshall Estate cage. I see there is also another age that is similar called the Critter Nation Double Unit, is is typically from what I have seen quite a bit more in price.
I hope these ideas have helped you with poop proofing your ferret cage. I know how frustrating the clean up job can be when your ferret goes to the bathroom in a unprotected corner of the cage and it just goes right over the side, down the wall and on to the carpet.