I've done about 40 all-grain 5 gallon batches so far. Recently, I've done a couple 10 gallon batches, and I have to say, I'm strongly considering moving to 10 gallon batches exclusively. It seems to me that for a slightly increased time investment (the additional heating/cooling adds a total of about an hour for me), I end up with twice as much beer.
Why don't more people do 10 gallon batches? Is it the issue of moving that much hot wort around? I confess I have a Chugger pump that I use for chilling, and for transferring the wort to the first carboy (I use gravity and an autosiphon to fill the second carboy). But my boil kettle (15g), mash tun (70 qt), mill (Barley Crusher w/ power drill), and all my other equipment can easily handle 10 gallon batches, so it seems like a no-brainer.
Is there an army of dedicated 10 gallon brewers out there I'm just not aware of, or is there some other reason people stick with 5 gallon batches?
I began this hobby on my stove. I moved to a three tier system in my garage. Then I went to a five gallon single tier with pump on my patio.
As I did so I knew I would move to a ten gallon system so I began building what I needed to do so. I converted from LP gas to natural and set a goal to make the best beer as cheaply as possible.
I also do not like to purchase equipment twice so I always bought above what I needed.
Now, I like that 5L flask to make the starters I use in my 15 gallon brewery. I am converting an out building on my property to a dedicated brewery.
I am finding I have more capacity than I may want so am developing some brew partners that will share in the costs of production, and they will bottle or keg the end product and take their share.
I enjoy the beer I brew. And maybe too much of it. But I like the process and sharing. Now, for me the process also includes hanging at a number of site, being active in the brew club I helped found, participating in brew days with others and helping other brewers establish.
It is a hobby. And sometimes SWMBOed questions my purchase of six or eight pounds of hops and six months later 300 lbs of grain.
I simply say, "You are correct honey, maybe I should take up bass fishing. BTW, I now need a 25K bass boat, and a 40K truck to pull it. Did I mention the $500.00 rod & reel? Oh, and every weekend I leave the driveway for the weekend it will cost me $300.00 in expenses."
My wife is wonderful with my hobby and I stay home to do it.