Originally Posted by Mark_
I have heard nitrogen is better actually due to a larger sized molecule, if I recall.
Any thoughts on how often I should shoot another CO2 blanket into the carboy?
I had read weekly is quite common. But the bigger question is 'how long are you planning to protect with CO2?'
I have been advised by multiple people that inert gas is not recommended for bulk aging as it should only be used for a short term solution, but never for aging.