Kelly,

Thank you! Love to see pics of your CB Sudanese.

My favorite are the U.ornates but the Sudanese are a close 2nd.

Yes the substrate is millet.

I purchase it at the PET-O-Rama here in Arlington, Texas.

It is called Lizard Litter millet blend.

http://www.zilla-rules.com/products/bedding/white-proso-millet.htm

Troy
http://www.uroranch.com/
Link