“For almost three years now, a CO2 squeeze has limited supply and made usage more expensive depending on the season and the region. This has pushed many craft breweries to find alternatives to beverage-grade CO2, like employing nitrogen in some applications (it’s cheaper and easier to get, depending on your purity standards, and easier to create with a generator). But nitrogen is not a one-for-one swap for CO2.”
Read more via Craft Brewing Business.