I'm looking for an ~100% N2 fill for nitro cold brew coffee and I'm having a hard time finding a supplier who sells food grade N2 in consumer quantities. Any advice for companies in United States who sell food grade N2?
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Why 100% nitro? Beer gas blend is usually 25/75 CO2/N2. You might have an easier time finding that at your local compressed gas supplier. Are you solely talking about making coffee or a coffee beer? If its the former your question may need to get migrated to a different SE site.– brewchezCommented Oct 24, 2016 at 10:35
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Solely coffee. However it's brewed at home and kegged...– DavidJFelixCommented Oct 24, 2016 at 19:33
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1 Answer
I talked to homebrewing supply stores looking for "Guinness mix" or "beer gas" pre-filled bottles for sale. While this isn't a pure 100% mix, it's about 75/25 or 70/30 and usually means the supplier mixed it for them. After a lot of digging at homebrew suppliers, I found that one of their suppliers does smaller batch orders, which can be difficult since fequently breweries sign up for a delivery schedule with large gas suppliers.
The gas supplier is an industrial welding and gas supply store -- don't let "industrial" in the name dissuade you from calling and asking about food/medical grade. This industrial supplier also has food grade tank exchange.