I would have expected no less than that from you, Don, the guy who IIRC
told me he made a his own special bottle cap so he could refizz flat
soda pop with CO2.

I just pour the flat soda in my 40 year old "soda syphon" and waste a
CO2 cartridge on it, 'cause I don't have a big tank of CO2 standing
around. :-)

Jeff Wisnia

I have nailed the problem of either making soda water or recarbonating anything
fizzy in a plastic soda bottle. I followed Richard Kinch's advice pretty much
but for the cap hardware. I just went to the car parts store and bought some
screw-on Schrader valves and drilled holes in plastic bottlecaps and screwed on
the Schrader valves. I have a CO2 tank with Schrader fitting so now it's duck
soup to pressurize a plastic bottle. For awhile I had my kids make their own
pop. I think they were horrified by the quantities of sugar that went in,
because now they don't drink sugary pop any more, so I'd say it worked.

I'm wondering if a small CO2 bottle, the 20 pound kind, can be used for MIG
welding aluminum.

GWE