Quote Originally Posted by XGetSome View Post
How perfect, i have a 30lb bottle of CO2 I used to use on a calcium reactor for my saltwater fish tank, and for refilling paintball co2 tanks. It costs literally 15$ to fill and It lasts forever, its about waist high........I may try this. I need to build A large Co2 chamber as I would be euthanising 20 or so at a time becuase I breed rats, and buy them a hundred at a time live...

Here's a link to a great CO2 chamber:

http://www.thereddragonsden.com/co2.htm