At what pressure (PSI) should I pour my cocktails?

On average, 4-6 PSI is normal for non-carbonated beverages.  The CO2 is simply used to push out the beverage.  If you’re pouring a carbonated beverage such as a Moscow mule, you’ll want to keep the PSI higher (15-20 PSI) and take advantage of the Perlick Flow control faucet to reduce pouring speed.