Originally Posted by aksea102
There was a recent post with regards to brewing small batches in order to experiment with different recipes. As a newbie brewer, I find this idea brilliant! It was something I hadn't thought of yet and something I look forward to trying. There were many replies to the thread that covered various containers to use for fermenters, and where to get them. I still have one question though, and I believe the poster had the same one...
What are the hazards of fermenting small batches in 5 gallon glass carboys? Say I scale down a 5gal recipe to equal 3gal, and use my 5gal carboy to ferment. Obviously there will be a fair amount of headspace in the carboy. What effect will this headspace have on my beer??
3 gallons in a 5 gallon carboy is no biggie. When I went all grain, I only had capacity to boil 4-5 gallons. So I would end up with 3 gallons of wort. I primaried in my 6.5 gallon carboy and had no bad effects.
The issue is secondary-ing in a 5 gallon carboy. There's not quite as much
co2 being produced to blanket your beer and prevent oxidation. But, unless your in secondary for something like 6 months, I wouldn't worry about that.