I do use corn cob bedding. I do not use it as my main bedding though, I use it in the ferret "potty", which it their wrestling box.

Here is a picture of what I am talking about. This is where I put the corn cob bedding:

This is the corn cob bedding I use:
The Kay-Kob was only $1.49!

I like it a lot is aborbs a lot of urine and odors.