CO2 Quality Differences?

areising · Post by **areising** » Mon Nov 07, 2011 4:23 pm

Is there any real difference between the CO2 filled at a Welder supply vs the "Food Grade" bought at AirGas? Any risk with the Welder supply quality? Looking for input. Thanks.

Tony Reising

john mills · Post by **john mills** » Mon Nov 07, 2011 5:49 pm

There's food grade co2 at Airgas? How much do they charge for that. Last time I was there swapping tanks it required me to leave an arm and a leg.
I guess in order for me to be able to distinguish the difference, I would have to try the certified food grade co2. But I don't think there is a difference.

areising · Post by **areising** » Mon Nov 07, 2011 9:22 pm

Air Gas vs EVV Weld Supply

5# - $26.15 vs $9.15

20# - $40 vs $15.92

john mills · Post by **john mills** » Tue Nov 08, 2011 4:14 pm

I've been busting Airgas chops for 2 years niw, and still the beat the've done is fill 2-20# tanks for $40. Looks like I'll give Evv Welding supply a try after my tanks run out.

BREWsmith · Post by **BREWsmith** » Tue Nov 08, 2011 4:34 pm

Take a look at this.

http://www.homebrewtalk.com/f35/food-grade-co2-58297/

ArtCox · Post by **ArtCox** » Fri Dec 09, 2011 7:40 pm

I went to AirGas here in Madisonville today to get CO2, Rodney asked if it was for Welding or my Keg System.. I asked what's the difference? In price - none.. But Elizabeth swears she can taste the difference and I noticed that the half glass of foam I usually get is not present. So maybe food grade CO2 is just that.. for serving beverages..

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