3
votes
1answer
76 views

Why is counting airlock bubbles a poor method of determining whether or not fermentation has slowed down or stopped?

I am eager to figure out how to measure the specific gravity of my wort using a Raspberry Pi, Arduino, or other device, but I do not wish to spend $250 for a BeerBug. People on the internet have used ...
3
votes
2answers
583 views

Airlock required for lagering or conditioning?

If I put some beer in a secondary vessel for medium-term condition (e.g. lagering or dry hopping), do I need to put an airlock on it or can I just close it up with a stopper or put it in a keg and ...