The Planted Tank Forum - View Single Post - Where so you go to fill up on co2?
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post #11 of (permalink) Old 01-07-2013, 03:19 PM
Planted Tank Guru
Join Date: Apr 2011
Location: Durham, NC
Posts: 2,261
The Airgas that I deal with fills my 10lb tank for like $34 I think. Only real option I have. They said on the phone they only did swaps, but the staff that fill the tanks don't care as long as you say you want to keep your tank.
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