Originally Posted by TheFragginDragon

Hi Lilea!

IMHO, I would steer clear of both (sand could cause an impaction over time if ingested, and corn cob will promote mold growth when it becomes wet) and just go with either aspen bedding, carefresh, or plain ol' paper.

I feed all of my colubrids f/t, but there are a couple of ideas out there on how to build a euthanization chamber for p/killing rodents, here's one (that I used for guidance with mine):
http://www.sammygreggreptiles.com/co2.html

and here are a couple more related links:
http://www.thereddragonsden.com/co2.htm

http://www.alysion.org/euthanasia/

Welcome aboard, and best of luck!!