Is CO2 the only type of gas you could use to carbonate the beer in your keg. (Okay know carbonate means to use CO2). Something like say Nitrogen or Helium or whatever. If so what would that taste like and or change the flavor of the beer.
Topic force-carbonation taste beer-tools beer homebrew
Category Mac
According to the internet "Aqueous carbon dioxide, CO2 (aq), reacts with water forming carbonic acid, H2CO3 (aq). Carbonic acid may loose protons to form bicarbonate, HCO3- , and carbonate, CO32-. In this case the proton is liberated to the water, decreasing pH. The complex chemical equilibria are described using two acid equilibrium equations."
If you've ever drunk flat carbonated water, you should know the acidic flavour that carbonation imparts to water. I assume it has some impact on the flavour of beer, though presumably since beer already has noticeable flavour this difference is less pronounced.
Guinness is a popular example of a nitrogenated beer. Generally the nitrogen produces smaller bubbles and lends a creamier texture to the beer. Not sure on flavor.
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