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4/1/2014 - I
haven't brewed on my 10-gallon all-grain system for a couple
years now. Although it's a nice system, most times I
just don't want 10 gallons of the same beer around.
Sure you can mix up yeast strains, add fruit to one, dry hop
half, or a variety of other things to get a "different"
beer, but it all comes back to basically being the same
recipe. I've also been doing a lot of experimental
beers over the last year or two, so I've been mixing up
ingredients and playing around with different yeasts.
That being said, sometimes I may want 10 gallons of a blonde
ale or another lower alcohol beer for spring and summer
parties, but don't necessarily want to haul out the 10
gallon system to do so, especially in colder weather.
So I ended up coming up with a way to brew 10 gallons of
beer on my 5-gallon system that doesn't take any extra time.
Here's how I do it....
recipe that would be a good candidate for this method of
brewing. This is typically a lower gravity beer
(1.030-1.045 SG) like English Bitters & Milds, Cream Ale,
Blonde, and other lighter session ales & lagers.
Depending on the size of your brew pot, you will create
a recipe that is basically double the gravity of your
desired starting gravity. If you have a larger pot
like I do (8.5 gallon), than you can figure on getting
slightly higher gravity wort than half based on the
larger initial boil size. You'll also want to
factor in hop bitterness, flavor, and the color of the
finished beer. Shoot for roughly double the hops
and specialty grains as you would use if you were just
brewing 5 gallons.
with your brew day as normal.
wort is chilled, pour half into one sanitized fermenter
and the other half into a second. Top up with cold
tap water, take a gravity reading of each fermenter for
your records, and pitch your yeast. NOTE:
This is a good opportunity to use one of my
Saving & Reusing Yeast
methods to pitch different yeast strains you have saved.
the example recipes above for some ideas as well as on
my Beer Log page. Mostly all my concentrated batches
will have (concentrated) after the name.
Full mash tun!
Be careful of boilovers!
Chill like normal
2 yeast starters
Divite betwen 2 fermenters
Top up with water
Pitch yeast & wait
Efficiency - You'll likely get lower efficiency when
brewing these types of beers, because as gravity goes
up, efficiency drops. Just something to keep in
mind when coming up with your recipes.
much wort as you can safely fit in your kettle - I'm
able to fit roughly 8 gallons of wort into my kettle
which gives me a final volume of 7 gallons after an hour
boil. This helps when splitting the wort between
two fermenters because I'm getting more wort into the
fermenter and adding less water.
Lower Gravity Beers - As I mentioned above, this
method is most effective on lower gravity/alcohol beers
since. Don't try to brew an Imperial Stout or anything
like this. If that's what you're after, go with
the Parti-Gyle method
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