Quote Originally Posted by crsaz View Post
you can get a 20oz like that new for around $20 and refills run $3-5 and if you look on craigslist you can get tanks cheap like less than $10
As a paintballer I have experience with co2 tanks. If you buy them used your going to want to check to see when you need a new hyrdo test. Stores won't refill the tank if its past its hydro test date.
My 2 cents.