Oxygen by itself will not burn. It's considered to be an oxidizer. It's not like Acetylene which WILL go ka-BOOM.

Now, if you're referring to the cylinder going kaBoom during an accident, that's a possibility, but so is the fuel tank on the vehicle. It's not something that I lose any sleep over.

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).