How cold does it get in the winter where you are?
CO2 production by yeast will generally slow down as temperature goes down. It may get to the point where yeast metabolism stops completely (or they die off), and you will no longer get any CO2 production.
CO2 production by yeast will generally slow down as temperature goes down. It may get to the point where yeast metabolism stops completely (or they die off), and you will no longer get any CO2 production.