Where to find CO2 cylinders (other than LFS or MO)
Wondering where people could go to get CO<sub>2</sub> cylinders (if not at LFS). Been trying some welding supply shops, CO<sub>2</sub> supply, medical O<sub>2</sub> supply places, but not really having a huge success rate.
Do CO<sub>2</sub> cylinders ever come up for sale used (there has to be a market other than aquaria, i.e. beverage dispensers)? I called a few places and got laughed at when I asked if they had (or knew of) any second-hand cylinders. Is it really all that absurd a notion?
Surely I'm just calling the wrong places! Someone tell me what category to look up in the yellow pages, PleaseAndThankYou<sub>(tm)</sub>??
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