When cold crashing or lagering beer from a relatively warmer temperature to a colder one, negative pressure of condensed air in the headspace can draw in liquid and air through the airlock or blow-off tube. Is this a concern, and how can it best be avoided?
Protecting against airlock suck back, bottling highly carbonated beer and homegrown hop quality.
The amount of carbonation lost during filling is heavily influenced by the carbonation level of the beer being filled. Highly carbonated beers lose more carbonation when bottled compared to beers with lower