Quote:
Originally Posted by martix_agent
yes they are completely empty
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AHH NO!
you CAN buy them full, thats how i got mine from wal mart back in the day, Blue rihno is one company that they come pre filled from, I had a 20 oz. wal mart has this deal that you can exchange your empty tank for a full one but its like $8 from what i remember and the one you have has to be in really good condition. But you can also buy those tanks. Just ask someone working there what the case is
just plug it into a marker to find out, or try pushing down on the pin valve, if you can push it down it is empty, if not its full, or at least has pressure inside.