Ok, so I am new to kegging and I am getting ready to buy my first co2 tank. I called a local gas distributor and told them I was looking for either a 5 or 10 pound food grade co2 tank for home dispensing. After putting me on hold, the salesman then came back and asked me if I was looking for a beer mix of co2 and nitrogen. I had originally said no, I need straight co2 and the man seemed kind of surprised. After that, I thought maybe I was missing something so I decided to turn here. I thought the beer mix was what was need for guiness or boddingtons, not regular draft beer. Am I correct in thinking that straight food grade co2 is what I needed or do I need "beer mix"?
Thanks,
Kevin

