pressure

The reason why degassing is important in home wine brewing is that during the fermentation process of wine making, carbon dioxide is released and dissolved in the fermented juice. Vacuum is a very effective way to extract Co2 from the wine. But how much vacuum should we pull? Too low it won't...

This morning I woke up and found my 5 gallon carboy of fruit juice foaming all the way into the airlock and spilling over the top :m It's been running fine for a while now and never expected this to happen. Which variable changed in this equation? The only one that I can think of is the...