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These instructions are the intellectual property of Annapolis Home
Brew, and are protected by
U.S. copyright law.
They may not be duplicated (in part or in full) or distributed
(physically or electronically) under any circumstance.
Please
Note: These instructions
are designed for simple all-grain equipment. We recommend: A
Polarware brewpot with false bottom, a converted beer keg with
false bottom, a plastic bucket with false bottom, or a round
cooler with false bottom. All of these options are affordable and
capable of making great beer. There’s a lot of different
equipment on the market. If you build or purchase special
equipment, you’ll need to modify these instructions to suit, or
possibly abandon them to follow your equipment manufacturer’s
recommendations.
When mashing, you need an accurate
and precise thermometer. A meat or candy thermometer is not good
enough. Even if it were accurate, the scale isn’t precise
enough. In our experience, the cheaper electronic thermometers
have precise readout but many are inaccurate - especially when
exposed to steam. The best low-price thermometers are laboratory
or floating spirit thermometers. They contain non-toxic
ingredients instead of mercury.
You need equipment capable of
boiling a large volume. To brew a 5 gallon batch, you’ll begin
boiling with 6 or 7 gallons of wort, because significant volume is
lost as steam during the boil. Another ½ gallon is lost to kettle
sediment (trub.) Your kitchen stovetop isn’t sufficient for this
task. Residential stovetops simply don’t have enough power to
boil 6 or 7 gallons, and a weak boil will degrade beer quality.
The side burner of a gas barbecue grill is even less powerful, and
probably can’t support the weight. You need a brewpot of at least
32-40 quart capacity, and a high-power outdoor propane cooker.
The 170,000 BTU ring-burner models are most desirable.
Psychology
of The Advancing Brewer: There are
many different brewing techniques. As you read and learn more, it
may seem like you need to do a hundred things just to make decent
beer. This isn’t true! But home brewers are hobbyists at heart,
and we like to learn and try new things. Plus, everyone likes to
earn a few bragging rights, so there’s a natural tendency is to
say, “All right, I’ve done that, now what’s next?”
And there are plenty of things you can do next. Things like
step-mashing, decoction-mashing, ultra-precise water chemistry,
and the thousand-dollar-can’t-live-without-it machine. If you
want to experiment with different brewing techniques or use more
advanced equipment, we encourage you. However, you should start
with the simplest procedures first, then possibly go on from
there... after you learn to get the simple stuff to turn out
right! Always remember that this is supposed to be FUN! Don’t
get so bogged down that brewing isn’t enjoyable anymore.
We’ve tried every technique you can imagine, and lots of
equipment. These instructions include all of the vital steps for
brewing good beer, with an emphasis on keeping the process as
simple and short as possible. This is the procedure we used to
develop our recipes. Using these procedures, you’ll get the
intended results. We try not to put in steps that require exotic
equipment. When it comes to extra steps,
some of them may be worth your effort (these appear here as
“bonus” steps.) Others are theoretically great, but too difficult
to be practical in small-scale, low-tech home brewing. Or they
may give a minor benefit at a major cost in time, effort, or
money. We leave that stuff out. If you’re keen to learn, there
are books, websites, brew clubs, and classes out there to teach
you!
Before
Brewing: Very Important!
Your beer recipe kit includes a
live yeast culture. Live yeast cultures make beer with better
flavor and aroma. You must prepare the
yeast for use before you start brewing!
1.
You may have a standard 50ml
Slap-Pack. These must be activated at least 1
day before brewing, usually more. First, look for the date stamp
on the front of the pouch; this is the day it was manufactured.
You must activate it 1 day in advance for each month of age. For
example, a 4 months old pack should be activated 4 days before
brewing. Slap packs are guaranteed for 6 months, but in
reality they’re good for a year in the refrigerator. Older slap
packs just take longer to swell; after swelling they work fine.
Activating a 50ml slap-pack is
fast and easy. Take it out of the refrigerator and lay it on the
countertop. Feel around for the inner bulge. You must burst the
inner bulge by either squeezing the pack, or slapping it. Don’t
worry, the outer pouch is tough and won’t break open easily. When
activated properly, the inner bulge seems to disappear. Leave the
pouch at room temperature - don’t refrigerate after activation!
The pouch will eventually swell. As soon as you see swelling,
it’s ready to use. Left for long enough, it’ll swell up like a
football! Don’t worry; the pouch is too tough to pop open. Once
fully swelled, you must use it within 3 days or the yeast dies.
Purchase a fresh culture.
2.
You may have a Ready-To-Pitch
XL "Activator" Pack. These larger 125ml pouches are
superior to tube-style cultures. An XL-Pack can be used as soon
as it warms to room temperature (just like tube cultures.)
However, XL-Packs are even better if you give it a head start by
activating it. Since they only need a few hours, it’s convenient
to activate when you decide to start brewing - it’ll be ready by
the time you need it! XL-packs don’t always swell up, so don't
worry. You don’t need to wait for swelling, because there are
great benefits within the first 1-3 hours of activation before
use. The yeast pouch is printed with activating instructions.
Shelf life is at least 6 months. Discard packs if not used within
24 hours of activation.
SECTION 1 – MASHING (Single-Temperature Infusion Mash)
Step
1: The first step is to
decide what kind of MASH CONSISTENCY (thickness or
thinness) you want. This will determine how much STRIKE
WATER you need. (Strike water is combined with grains to
form the body of the mash.) You can
use anywhere between 1 and 2 quarts of water per pound of grain.
Decide
which mash consistency you want. Check one line, and then fill
in the rest of that line:
1 qt. per lb
makes a thick mash -- My recipe has _____lb. grain, so I
need ____ qt. water.
1½ qt. per lb.
makes a normal mash -- My recipe has _____lb. grain,
so I need ____ qt. water.
2 qt. per lb.
makes a thin mash -- My recipe has ____ lb. grain, so I
need ____ qt. water.
The advantage of a
thin mash is slightly better efficiency and better heat
retention. The advantage of a thick mash is that it uses less
space; nice for small equipment & recipes with lots of grain. If
your water is chlorinated, you should use a faucet filter or
purchase spring water. Boiling can’t remove modern water
treatment chemicals. Distilled water should not be used for
mashing.
Don’t use water from a salt-type softening system, or
reverse-osmosis water.
IMPORTANT:
Water
which lies below the false bottom doesn’t count towards the
total. For instance, let’s assume that your recipe includes 10
pounds of grain. You decide to use 1½ quarts per pound, so you
need 15 quarts of strike water. Fill the mash vessel with water
until it reaches the false bottom, and then add 15 quarts.
Step 2:
Determine your desired MASH TEMPERATURE. Mashing occurs
in the temperature range of 148º-160ºF, but
you achieve different results
depending on where in that range your mash actually rests.
Mashing produces
sweet wort, which is basically malt extract that’s never been
concentrated. Like malt extract, sweet wort consists of water
and several types of sugar. Most of the sugars are fermentable,
so they’re consumed during fermentation to become alcohol & CO2.
But about ¼ of the sugars are non-fermentable, so they remain
after fermentation and contribute body, malt flavor, and
sweetness to the beer. (Malt sweetness is the reason for
using bittering hops, to balance the flavor.) Think about
how you want your beer to turn out, because you can subtly shift
the balance between fermentable & non-fermentable sugars.
Mashing at the low
end of the temperature range, around 148º-152ºF, results in the
production of a relatively small proportion of un-fermentable
sugars. Such a beer ends up with a lighter body and less malt
sweetness.
Mashing in the
middle of the temperature range, around 154º-156ºF, results in
the production of a normal proportion of un-fermentable sugars.
Such a beer ends up with medium body and normal malt sweetness.
Mashing at the high
end of the temperature range, around 158º-160ºF, results in the
production of a relatively large proportion of un-fermentable
sugars. Such a beer ends up with full body and more malt
sweetness.
Write down your
desired MASH TEMPERATURE:________ºF.
Keep in mind
that these changes are subtle; the difference is only a few
percentage points. The type of yeast, and its health play a big
role in fermentability, and the hops also work to balance
sweetness with bitterness.
Step 3:
Now, use the mash temperature to calculate the STRIKE WATER
TEMPERATURE. You’ll make the strike water hotter than the
mash temperature, because pouring in the grains cools it down.
When this is done correctly, the strike water and grains combine
to make just the right temperature.
At 1 quart per
pound, adding the grains will drop the temperature by 16 –
18ºF. Therefore, your strike water temperature should be 16 –
18ºF hotter than your desired mash temperature.
At 1½ quarts per
pound, adding the grains will drop the temperature by 12 –
14ºF. Therefore, your strike water temperature should be 12 –
14ºF hotter than your desired mash temperature.
At 2 quarts per
pound, adding the grains will drop the temperature by 8 – 10ºF.
Therefore, your strike water temperature should be 8 – 10ºF
hotter than your desired mash temperature.
Plug in the numbers
from steps 1 & 2, and write down your STRIKE WATER
TEMPERATURE:________ºF.
Step 4:
Heat the strike water. If it was heated in a separate pot, pour
carefully into the mash vessel. Verify the temperature one last
time, and go on to the next step when it’s just right.
If you need to adjust the temperature,
drain off some water and replace with boiling water or cool water.
This avoids changing the total volume.
Step 5:
The grains must be at room temperature
for this step to work. Don’t use grains straight from cold
storage or refrigeration. Pour grains into the strike
water. Allow the grains settle into the strike water, then stir
gently with a paddle or slim instrument to ensure even mixing.
Take care not to dislodge the false bottom. Stop stirring when
you see that there are no dry clumps of grain.
Step 6:
Cover the mash vessel (mash tun) and wait for 1-2 minutes while
the temperature equalizes. Now take the cover off and verify the
temperature of the mash.
Step 7:
If you need to adjust the temperature, you can add cool water or
boiling water to the mash. If you run
out of room to add water, drain off a portion of the mash water
and either heat in a saucepan or cool it a cold water bath, then
return it to the mash. Some
mash tuns allow for direct heating, but always stir while applying
heat.
Step 8:
When you’re satisfied with the mash temperature, put on the lid to
preserve heat. If it’s safe and convenient, you may want to add
further insulation. With most recipes, 60 minutes is sufficient
mashing time. You should check the temperature every 15 or 20
minutes.
Step 9:
The mash tends to cool down, but for
best results you should try to keep the temperature constant.
Some mash tuns allow direct heating, such as a Polarware
brewpot. Try applying low heat every 15 or 20 minutes to boost
the temperature back up.
Always stir constantly and gently while heating!
If you can’t directly heat your mash, drain off a few quarts of
mash liquid, bring to a boil, and then pour it back in. Another
option, if you have extra room, is to add boiling water. This
thins the mash a bit but rarely has a noticeable effect.
Step 10:
When about 15 minutes remain in the mash, begin heating your
sparge water to 180ºF in a separate pot. You need 1½ - 2 quarts
of sparge water per pound of grain. Generally, more sparge water
is needed for a thick mash, and less for a thin mash.
Sparging is the term for rinsing
the liquid malt sugars from the spent grain husks.
BONUS – MASHING
OUT:
This is a good procedure, but you can
ignore it with little or no ill effects. There are some
benefits to raising the temperature at the end of the mash. You
can simply rely on the hot sparge water (which you’ll be adding
soon) to raise the temperature, but it’s better to “mash out” by
heating the mash before sparging.
At the end of the mash, raise
the temperature to 168 -
170ºF. If you can’t directly heat the mash tun,
drain off about 1/3 of the mash
water and bring to a boil, then dump it straight back into the
mash and stir. Mashing out does a few good things. Most
importantly, it makes more of the mash-created sugars dissolve
out of the grains and into the water. Sugar mixes better with
hot water! Now you’ll get more efficient extract from the
grains, maybe gain a few Specific Gravity points, and your beer
will end up a wee bit stronger.
Step 11:
When the mash is complete, open the drain valve and slowly collect
a few quarts of mash liquid. There will be lots of chunks & grain
particles in these first runnings. Now, gently pour the first
runnings back into the top of the mash without disturbing the
whole grain bed. Continue re-circulating in this manner
(vorlaufing) until the runoff comes out relatively clear.
During this time the spent grains &
husks are forming a natural filter bed.
Step 12:
Begin lautering (collecting mash runoff) in your brewpot or
a bucket. Make the flow slow enough that lautering takes 20-30
minutes or more. As the water level in the mash drops, begin
sparging by gently adding hot sparge water to the top of the
mash. Maintain the water level about 1” above the grains.
If possible, keep heating the sparge
water to prevent cool-down. Ideally, you should maintain 180ºF
sparge water temperature until the last bit is used. Heat helps
to rinse the sticky malt sugars out of the gelatinous spent
grains. You may read
elsewhere that 180ºF is too hot for sparging… but that’s only true
when using very efficient commercial brewing equipment. The real
issue is that you don’t want to raise the grain bed temperature
above 170º. Home brewing equipment loses so much heat that we
need to use hotter sparge water just to stay ahead of natural
cooling.
Step 13:
Stop lautering & sparging when the runoff no longer tastes sweet,
or when you collect enough volume for the boil, whichever comes
first. It may come to pass that you stop sparging before
collecting enough volume for the boil. That’s OK because you can
add water. It’s better to add water than to over-sparge the
grains. Tasting the runoff is really a
great technique. The first runnings are very sweet. As sparge
water works its way through, the runoff becomes thinner and less
sweet. Eventually it tastes astringent (tongue-drying like red
wine.) When you taste astringency with no sweetness, stop
collecting runoff immediately.
In a perfect world you’d constantly
test the runoff with a hydrometer, and do some math to determine
the perfect stop-time. But hot runoff is hard to accurately test,
and it thins so quickly on this small scale that your sense of
taste is a more reliable instrument.
SECTION 2 – BOILING
Step 1:
If you use your brewpot for mashing, you probably collected the
sweet wort in a bucket. Now you should discard the spent grains,
rinse out the brewpot, and pour/siphon in the sweet wort for
boiling. If you didn’t collect enough runoff, you should add
water now. Because you want to end up
with 5 gallons of beer, start boiling with more than 5 gallons.
On a cold day, you can lose a gallon or more to steam. You’ll
also lose about ½ gallon to kettle sediment, and another ½ gallon
to fermentor sediment. Our
recipes are designed to end up with 5 gallons of beer, so don’t
worry that you’re “watering it down” if you start boiling with 7
gallons!
Step 2:
Turn on your burner to high heat.
Keep an eye on the pot when it
begins to boil. At first, there’s a tendency to foam up and boil
over. Keep a few ice cubes handy - throwing them in will stop a
boil-over instantly. Adjust the
heat until you have a steady rolling boil, always keeping the lid
off of the pot.
Step 3: When
the boil is stable, pour in the first bag of hops, labeled “Add
this packet of hops at the beginning of the 60 minute boil.”
Hop pellets
are made from finely crushed hop flowers. They dissolve and
disperse quickly, so there’s no need to stir. Don’t use bags or
strainers for hops. Bags might seem to prevent sediment in the
boil, but mostly they prevent full hop utilization. Kettle
sediment (known as “trub”) is both inevitable and harmless. The
first hops may cause foaming, so watch for boil-over.
Begin a 60 minute countdown to the end of the boil. Most (but not
all) recipes include more than 1 bag of hops. Add each bag to the
boil at the times printed on their labels.
Some recipes include “dry hops,” which you won’t use today, save
them to add to the fermentor after a few of days.
Step 4:
If you’re using an immersion-style wort chiller (highly
recommended) put it into the boiling wort when 10-15 minutes
remain in the countdown. The heat sterilizes the chiller.
When the countdown reaches zero,
turn off the heat. If your recipe has any ingredients like sugar,
honey, or treacle, add it now and stir to dissolve.
There’s still plenty of heat to dissolve and pasteurize the
ingredients you’re adding, so don’t worry about contamination.
Step 5:
From now on,
don’t let anything non-sterile touch the wort.
Cool the wort
to room temperature as quickly as possible.
Rapid cooling is not
just a way to save time, it’s crucial in preventing bad flavor
compounds which can build up in wort that remains hot after
boiling. The best tool for cooling is a wort chiller.
Follow the instructions for your chiller. Be careful of hot
exhaust water.
If you don’t have a chiller, an ice-water bath is very effective.
Simply cover the pot and carefully move it to a sink or tub.
Surround it with ice and cold water.
Don’t use ice
alone, the water really helps. It’s often a bad idea to add ice
directly to the wort. Placing the pot outside in cold weather or
snow isn’t very effective. Ice-water is best because it has lots
of mass to absorb heat.
Step 6:
While the wort is cooling, take use the time to sterilize/sanitize
(for our purposes we’ll use the terms interchangeably) your
fermentor with a brewing sanitizer.
Follow the instructions for the particular brand you’re using.
Don’t try to “improve” things! Some sterilizers don’t work if
you mix them too strong, and some no-rinse sanitizers don’t work
if you rinse them.
In a pinch, you can use unscented household bleach at a rate of ½
cup per 2 gallons, but it requires a long soak, lots of rinsing,
and cam leave nasty flavor deposits. It’s much better to use a
sanitizer which is made for home brewing.
Avoid other household
disinfectants and “antibacterial” products.
Step 7: Once
the wort has cooled to below 100ºF, you can pour it into your
fermentor. If you’re using a glass fermentor, either siphon the
wort or pour it through a sterile funnel.
There will be sediment (trub) on the bottom of the pot. Trub is
made of proteins and tannins from the malt, as well as hop
particles. You should stop pouring when you reach the trub, but
if some of it gets into the fermentor it doesn’t harm the beer.
Don’t try to filter or strain the wort. That’s a terrible waste
of time for no practical benefit, unless you have elaborate
equipment.
Step 8: Add
water if necessary to bring the volume up to 5 gallons. You can
use cold water to help cool the wort. In a perfect world, you’d
use only pre-boiled (sterile) cool water, but in reality most
water is clean enough to use without bothering. Again, avoid
chlorinated or salt-softened water.
We recommend bringing
the volume up to more than 5 gallons, since you’ll lose a few
quarts to sediment. Our recipes are designed to end up with 5
gallons of beer, so don’t worry about “watering it down!”
The ideal “standard” home brew fermentor is a 6½ gallon glass
carboy. The 5 gallon level is about 12 inches above the floor, so
we fill them to about 12½ inches. The extra headspace in the
fermentor will allow room for the yeast foam which rises during
fermentation.
Some brewers use a 5 or 6 gallon fermentor with a blow-off tube.
We generally don’t recommend blow-off because what’s blowing out
is healthy yeast! This often causes slow-down in fermentation,
weakening the yeast population, resulting in more off-flavors.
Step 9: Stir
the wort vigorously with a sterile spoon or paddle. This is more
important than you might think, and for a number of reasons.
Primarily, it
adds oxygen to the wort. Boiling removed all of the oxygen, which
the yeast needs to reproduce quickly and to grow healthy cells.
Stirring in
a bucket is easy, but in a small-mouthed glass fermentor it’s more
difficult. One recommended tool called a “Mixstir” (it looks like
a collapsible propeller on a stick) which hooks to your cordless
drill. The absolute best tool to have is an oxygen system made
for home brewers. These have become very affordable. They
quickly and easily deliver a fine mist of pure oxygen bubbles. A
few 10-second shots of pure oxygen result in yeast that’s
incredibly healthy and vigorous - the beer ferments days faster
and tastes cleaner.
Mixing is also
important to blend the cool, thin water with the thick, hot wort.
Without some vigorous stirring, these liquids of varying
thickness and temperature tend to separate into layers.
Step 10:
Optional, but
recommended.
Use your hydrometer to test the Specific Gravity (SG) of the
wort. Don’t try to do this test in the fermentor. Take a sample
out and use a test jar or hydrometer thief. Take care that the
hydrometer is floating freely with no clinging bubbles, and then
read the printed scale where it lines up with the surface. This
is your Original Gravity (OG) reading, write it down.
We don’t give you a predicted SG reading for a good reason – it’s
easy to read a hydrometer wrong! We don’t want another phone call
or Email saying “You said it should be about 1.042, but I saw
1.045 so I dumped it out.” (What a waste!) Your OG is a direct
result of how much malt extract is in the batch. It’s not even
possible to go wrong without spilling lots of malt or missing the
5 gallon mark. Gravity
starts with water at 1.000. In 5 gallons, every pound of malt
extract syrup adds about .007, and every pound of solid malt
extract adds about .008. Some types of steeping grains add a few
points to the total.
Step 11:
Open your yeast package and pitch (pour it in.)
The procedures for preparing yeast are on the first page of these
instructions.
Simply use something sanitary to cut open a corner of the yeast
pouch. It isn’t necessary to stir the yeast after pitching it.
Step 12: If
your fermentor is a plastic bucket, attach the lid. Fill the
airlock ½ full with clean water and carefully insert it into the
grommetted hole in the lid.
You don’t need to push the airlock all the way down, just make a
good seal without pushing the grommet through its hole.
If you’re using a
glass carboy, put the airlock in the stopper before you put the
stopper in the carboy. Fill it ½ full with clean water, and then
put the stopper onto the carboy.
If you try to put the stopper on the carboy first, it may push
through into the carboy when you try to insert the airlock.
Step 13: You
should see visible signs of fermentation within 24 to 72 hours
after adding yeast. Fermentation produces lots of yeast foam and
lots of CO2 gas. The CO2 pushes its way out through the airlock,
making bubbles like an aquarium ornament. In a glass fermentor,
these signs are as obvious as a lava lamp. In an opaque plastic
bucket, you must be a little more observant.
This “lag time”
before visible fermentation is one of the biggest causes of
unnecessary worry. Bear in mind that Friday night to Monday
morning isn’t 72 hours! More seriously, some yeast strains are
just naturally faster than others, and this isn’t necessarily a
good or bad thing. Cooler temperatures will slow down the
fermentation, and again this isn’t necessarily good or bad. The
amount of dissolved oxygen in the wort also has a big influence on
lag time.
Finally, if you’re using a plastic fermenting bucket, it’s very
common for the lid to leak - even when new. CO2 gas will take the
easy way out, so you might not see any action in the airlock even
though the fermentation is going strong. Open the lid and take a
look at what’s going on if you see no airlock action for 2 or 3
days. Don’t
get so worried about lag time that you pour in some old
“emergency” yeast the next day – that’s a great way to ruin a
batch which was probably doing just fine. We’ve sold tens of
thousands of yeast cultures, and true “duds” are exceedingly
rare. 72 hours is only a guideline, not a time to despair.
Step 14:
Wait for the beer to ferment. Shield the fermentor from
ultraviolet light, like sunlight or fluorescent lights.
Ale Yeasts ferment
well at or just below room temperature, 62-72ºF is ideal. Lager
Yeasts ferment well at cooler “basement” temperature, around
55-65ºF. Some lager yeasts are tolerant of higher temperatures,
and we favor these in our recipes. Wheat Beer Yeasts act like ale
yeasts, but for lots of fruity-ester flavors, choose a warm area
(up to 80ºF.)
Keep the fermentor
somewhere where the temperature is steady, not a porch or unheated
garage where the temperature always changes. In a basement, the
fermentor will be coolest sitting directly on the foundation slab,
and perhaps several degrees warmer if you put it on a table. If
all convenient areas are too cold, you can get an electric “heat
belt” for your fermentor. If your home is too warm, find a small
or cheap refrigerator and outfit it with an override thermostat.
This will allow you to select the exact temperature you desire.
Step 15:
Fermentation usually takes 5 to 10 days, but it may be faster or
slower. The only honest statement is “Fermentation is finished
when it’s finished!” There’s no real way to predict how many days
it’ll take, because every brewer has different conditions, and
some recipes ferment faster than others. Experience will teach you
what to expect.
Fermentation is
usually complete when you don’t see any more activity. In rare
cases it can stop prematurely, usually due to lack of oxygen in
the beginning or low fermentation temperature. The only way to be
absolutely sure it’s complete is to take another hydrometer
reading. The SG should have dropped approximately 75% (don’t
count the 1 before the decimal) compared to the original
reading. In other words, a beer that started at 1.048 should
finish at about 1.012. If you suspect that your fermentation
stopped early, move the fermentor to a warmer area, wait a day,
then stir it to reinvigorate the yeast.
No activity means absolutely no activity - if your fermentor is
still slowly producing CO2, it’s not finished yet. Also - even
after it’s finished it might bubble if you shake, squeeze, or tap
the fermentor. This is caused by the disturbance; it’s not a sign
of renewed fermentation!
OPTIONAL – SECONDARY FERMENTATION
Most beers can benefit
from a secondary fermentor. Beers which ferment slowly, such as
lagers and high-alcohol ales will benefit the most. The term
“secondary fermentor” is somewhat misleading, because most of the
actual fermenting happens in the first (primary) fermentor. The
“secondary fermentor” is more appropriately described as an aging
and clarifying vessel. Ideally, there’s little or no actual
fermentation in the secondary vessel.
The best container to
use for a secondary fermentor is a 5 gallon glass carboy. This is
important for a few reasons:
First,
you don’t want any air headspace in a secondary fermentor, because
oxygen in that air can contaminate the beer.
Although oxygen is
necessary before fermentation, after fermentation it will rapidly
spoil the beer.
This wasn’t a
concern in the primary fermentor because so much CO2 is produced
there that it blows out all of the air in the headspace. However,
now that your beer is in secondary, there’s little or no CO2 being
produced, so you can’t count on the air being driven out before it
does damage to the beer.
Second,
you shouldn’t use a bucket because of the risk of a leaky lid.
It’s common for
buckets to “breathe” a little bit. During primary fermentation,
this isn’t a problem because so much CO2 is being produced that any
leak is flowing outward. Since there’s little or no CO2 being
produced in secondary, a leak can be much more harmful.
Third,
a glass carboy is superior to a plastic bucket.
The obvious advantage
is that you can glance right into a glass carboy to observe how the
beer is settling and clarifying. Additionally, beer in a bucket has
a large surface area where it might absorb oxygen. A glass carboy
can be filled to the narrow neck, where the beer has only a tiny
amount of surface area – another protection against oxidation.
Using your secondary
fermentor is easy. Wait until fermentation is complete or nearly
complete, and then gently siphon the beer from primary to
secondary. Leave as much of the sediment behind as possible. You
definitely want the secondary fermentor filled to the narrow part of
the neck, so top up with pre-boiled cool water if necessary. Don’t
worry about “watering down” the beer, because you’re supposed to
have 5 gallons at this point. Now let the beer sit in the secondary
fermentor until it’s clear.
Although most or all
visible yeast will settle in the secondary fermentor, there will
still be enough invisible suspended yeast cells to carbonate the
beer in the bottles. However, if your beer sits for a long time in
secondary you may want to add more yeast when bottling, or be
prepared to wait longer for carbonation.
Beers, especially
lagers, can be cold aged in a secondary fermentor. This can knock
out all of the yeast, so you may need to add a fresh culture when
you bottle or risk having no carbonation.
OPTIONAL – CLARIFICATION
Finings and other
clarifying agents can help the beer clear more quickly and
completely, and reduce the chill haze which will form later. You
don’t need a secondary fermentor to use finings or other clarifying
agents. They’re cheap and easy to use, and won’t have a bad effect
on the beer.
Most finings are made from natural materials. You don’t need to add
preservatives to your beer unless you want to.
The best way to clarify is a three-part approach:
First,
use Irish moss (or a refined Irish moss product like Whirlfloc)
during the boil. Brewers should do this with every batch because
there’s no drawback to the use of Irish mss.
Just add a teaspoon of
Irish moss or drop in a Whirlfloc tablet during the last 10-15
minutes of the boil. Irish moss causes more protein to separate and
settle out of the wort, reducing one of the main causes of haziness
in the finished beer.
Second,
add finings after fermentation is complete. Finings include
brewer’s gelatin, isinglass, SuperKleer, etc. Their job is to make
particles stick together and settle more effectively.
In a single fermentor, add finings a few days before bottling. If
you’re using a secondary fermentor, you have the alternative of
adding finings when you transfer the beer.
Follow the directions on
your finings.
Stirring
makes finings work, even though it seems to be a step backwards.
Stirring up the settled yeast looks bad, but don’t worry because
this heavy stuff will settle again in a day or two. But now the
finings cause lighter suspended particles to stick to the heavy
ones. In a few days the beer will settle again, and it will be much
clearer than before you stirred it up.
Third, PVPP-type clarifiers (Polyclar, Divergan, etc.) can be
added at the same time as finings. They’re plastic powders which
don’t dissolve in the beer. You stir them in, and after a day or
two they settle to the bottom. On the way down, they absorb tannins
which contribute to chill haze later.
Stirring is very
important because the PVPP must be completely dispersed for maximum
effectiveness. It’s a good idea to add these powders slowly,
because there’s plenty of CO2 dissolved in the beer. This dissolved
CO2 can foam up when the powder goes in.
SECTION 2 – BOTTLING
Correct Bottles:
Glass bottles with pry-off caps are best. Home brew cappers aren’t
made for bottles with twist-off caps. American-made brown longneck
bottles, such as Samuel Adams, are ideal. Clear bottles, like
Corona, are OK, but keep them away from ultraviolet light sources
(sunlight and fluorescent light.) Flip-top Grolsch-style bottles
are great. Some bottles from Britain and Canada, such as Bass and
Molson, are harder to cap with a handheld capper due to slight
differences in mouth design. A bench-type capper is better for
these.
How Many Bottles:
Don’t be worried if you have a few bottles more or less, but you’ll
need approximately:
53 – 12oz. bottles
40 – 16oz. (500ml) Bottles
29 – 22oz. Bottles
19 – 32oz. (1 liter) Bottles
Alternatives:
Instead of bottling, many brewers choose to use kegs. Converted 5
gallon soda kegs are popular, because they make filtration & forced
carbonation possible for very professional results. Soda keg
systems generally require a dedicated refrigerator. Mini-Kegs &
Party-Pigs are also popular. They’re smaller, so a batch can be
split between kegs & bottles, plus they fit into your existing
refrigerator. Read more about kegs on our website.
Step 1: Before
you start bottling, make sure fermentation is complete. Complete
means no more activity. “Very slow” doesn’t count!
In a glass fermentor it’s easily see fermentation slow down and
stop. Plastic fermentors are trickier – don’t rely on watching the
airlock because lids often leak. It may be necessary to remove the
lid. Inside, there’s usually a tell-tale ring of crud that shows
where yeast foam rose to the surface during fermentation.
Remember: disturbing
the fermentor may make bubbles to rise, but this isn’t a sign of
fermentation.
Step 2:
Optional, but
recommended.
Test the Specific Gravity (SG) with a hydrometer. Don’t try to test
in your fermentor - use a test jar or hydrometer thief. Ensure that
the hydrometer is free-floating with no clinging bubbles. Read the
scale where it lines up with the surface. This is your
Finishing/Final Gravity (FG) reading.
Why check? Although
fermentation is usually complete when activity stops, in rare
cases it can stop prematurely. The only way to be absolutely sure
is to check the SG. The SG should have dropped (not counting the
1 before the decimal) approximately 75% during fermentation. In
other words, a beer that started at 1.048 should end at about
1.012. If you suspect that fermentation stopped early, move it to a
warmer area, wait a day, then stir to reinvigorate the yeast.
Step 3: Mix up
at least 2 gallons of cleansing/sterilizing solution in your
bottling bucket.
If the bottles are visibly soiled, soak them in warm water first to
soften the deposits, and then scrub them out.
Run some solution into each bottle, shake, and then pour the
solution back into the bucket. Don’t rinse unless the sterilizer’s
instructions require it. There are lots of gadgets to make
cleaning, sterilizing, and draining bottles faster and easier.
Step 4: Allow
bottles to drain and dry upside down.
If you don’t have a
bottle drying tree, you can use the pins on the top rack of your
dishwasher. Trying to sterilize with the dishwasher is a bad idea;
dishwashers can’t get much water up inside the bottles. Caps don’t
need to be sterilized unless they’ve gotten dirty.
Never boil caps!
Step 5: While
the bottles are drying, use the sanitizing solution to sterilize
your racking cane, siphon hose, and bottle filler. You’ll also need
to sterilize a big spoon or paddle and a glass measuring cup.
A racking
cane is a clear, rigid plastic tube with a curved end and a
black (or colored) anti-sediment tip on the other end. Flexible
hose hooks to the curved end. Your bottle filler is a 12-15”
clear tube with a black (or colored) valve on one end.
Step 6: Attach
the bottle filler to the bottling bucket spigot.
Rotate the spigot until it points upwards. Next, cut off a 1” long
piece of flexible siphon hose, and use it to splice the bottle
filler onto the spigot.
Move your fermentor to a countertop or table. Place the bottling
bucket on the floor beneath it.
Soon you will siphon
the beer from the fermentor into the bottling bucket, so be gentle
when moving the fermentor to avoid stirring up the sediment.
Step 7: If you
haven’t done so already, assemble your siphon by attaching the
flexible siphon hose to the curved end of the racking cane. You can
use hot water to soften the hose if it’s difficult to push on.
Siphon the beer from the fermentor to the bottling bucket.
You can start
a siphon easily, and without unsanitary “sucking.” Hold the entire
hose-and-racking-cane siphon assembly upside-down by the ends, so it
forms a big “U”. Fill the whole thing with clean tap water. Hold
your thumb over the hose end, and then put the rigid end down into
the fermentor. Aim the hose end down low into the bottling bucket,
and remove your thumb. The water in the tube and gravity will start
the siphon. If this seems like a hassle, there are nice automatic
siphon starters available for less than $10.00.
Step 8:
Don’t worry about the
water used to start the siphon; it’s not enough to have any effect
on the beer.
You should be able to let the racking cane rest on the bottom of the
fermentor, because the special tip will prevent it from picking up
sediment. Just
try not to let the racking cane move around too much or it might
stir up the sediment.
Step 9: As the
beer siphons into the bottling bucket, try to make the transfer as
gentle as possible.
Beer that is splashing
or running down the side of the bucket picks up more oxygen, which
reduces shelf life. Ideally, the siphon tube should reach all the
way down to the bottom of the bottling bucket. The anti-sediment
tip of the racking cane will stop siphoning with about ½-inch of
sediment and beer left behind in the fermentor.
Thrifty
brewers sometimes gently tip the fermentor to siphon out the last of
the beer, especially in a secondary fermentor where there’s less
sediment. You shouldn’t worry about a few ounces of beer at the
risk of siphoning a lot of sediment, though.
Step 10: When
the siphon is complete, lift the bottling bucket up to the
countertop or table, placing it so that the spigot hangs a couple
inches over the side.
Don’t put a lid on the
bottling bucket. If you suspect the presence of lots of dust or
other airborne contaminants, drape a clean cloth over the top of the
bucket. Rotate
the bottling spigot so that the filler points down.
You may want to put
something on the floor beneath it, because there will be a tendency
to drip while you work.
Step 11: Put
about a cup of hot tap water into your sterile measuring cup. Pour
the bottling sugar into this and stir to dissolve. Pour this sugar
solution into the beer. Stir gently but completely with a sterile
spoon or paddle.
Some instructions tell
you to put the sugar in earlier, and let the siphon action stir it.
This is a bad idea because it’s very important that the sugar be
mixed evenly, and siphoning should be too gentle to do it right.
You can boil
the sugar solution on a stove or in a microwave if you’re worried
about contamination, but it’s probably not necessary.
Step 12: Turn
the bottling spigot on. This lets beer flow into the bottle filler,
but it should stop at the valve in the tip. When you slide a bottle
up onto the filler, the bottom of the bottle pushes the valve to
make beer flow.
Let your bottle fill to the very top, because withdrawing it from
the filler drops the level about an inch.
Now the bottle is filled to the perfect height, so you can cap it.
Keep bottling until you’re out of beer!
Partially filled
bottles won’t carbonate, so don’t try to scrounge the last few
ounces of beer.
CONDITIONING:
Store your bottles upright at fermentation temperature for at least
a week. During this time, live yeast in the beer will ferment the
bottling sugar. The CO2 produced during this time is the source of
carbonation.
Some beers will take longer to carbonate, so make sure that your
beer is carbonated before you move the bottles to a cold storage or
refrigerator, or else you may stop the carbonation (conditioning)
process prematurely.
STORAGE: After
the beer has conditioned (developed its carbonation), you may want
to move it to a cooler storage area. Steady, cool storage
temperature will keep your beer fresh for the longest time.
You may have heard or
read something like “this beer was lagered at 35 degrees.” The term
“lagering” refers to cold storage after fermentation, which improves
the flavor of lagers. Ales do well when stored at room temperature
or basement temperature, but cold lagering can have a good influence
on some ales, especially with high alcohol recipes.
MATURING:
Almost all beers will improve in flavor and aroma as they age. Most
beers show the best improvement after 6 to 8 weeks in the bottle.
Storage
conditions have a big influence on this, as well as the strength and
flavor characteristics of the beer. Generally, stronger beers age
slowly, and light beers reach their peak quickly.
SHELF LIFE:
Storage conditions have a big influence on shelf life. Try to keep
your beer at a steady temperature, and away from sources of
ultraviolet light.
Alcohol and hops are
natural preservatives, so high-alcohol and /or high-hop beers last
longer. Even the lightest beers should be good for 4 months in
reasonable conditions.
To extend
shelf life, you can add preservatives (some are mild and flavorless;
others are stronger chemicals.)
SEDIMENT AND CLARITY:
Naturally conditioned beer has two characteristics – yeast sediment
and chill haze. Yeast sediment is a byproduct of the carbonating
process, it settles on the bottom of the bottles when carbonation is
complete. It’s
healthy to drink - full of B vitamins.
Even crystal-clear beer forms haze when chilled, that’s why the ads
talk about cold-filtering! Chill haze is flavorless, and will
settle out after refrigerating bottles for a week or two.
To serve crystal clear
beer, refrigerate bottles upright, and uncap them gently to avoid
raising the sediment. Pour the beer into a clean glass in one
smooth motion, and stop pouring when you reach the sediment.
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