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Hot Climate Brewing... How do you handle the heat?
As I sat in my car this past Saturday afternoon watching the beads of sweat form
on my forehead in the rearview, I suddenly had the inspiration for the topic of
this month?s brewing tips: Hot Climate Brewing.
There is a common misbelief that good beer simply cannot be made in a warm
climate. Unfortunately, this causes many brewers to pack up their fermenters and
go into hiding for three months out of the year. So if you are thinking about
putting away the keg and calling it quits for the summer, read these tips first
and then you too can have a brewriffic summer!
Firstly, we need to define what ?hot? means.
Mr. Beer yeast is specially designed to ferment within a very wide temperature
range. However, the ideal fermenting temperature range for Mr. Beer yeast is 67
to 72 degrees. Therefore, we will call anything above 72 degrees ?hot?.
In order to keep your tasty brew happily fermenting below 72 degrees in the
summer months you may chose from either of these well tested methods. The most
obvious solution is to ferment your beer in a spare refrigerator. The
refrigerator technique is nice because you can easily control the ambient
(surrounding) temperature, but sadly only a few of us have a spare refrigerator
that we can dedicate to our beloved homebrew.
But there is hope for the rest of us committed brewers. An ice chest stocked
with some frozen 1-2 liter soda bottles filled with water can also do the trick.
This is a much more cost effective alternative to using a refrigerator, and is
very easily managed. To raise or lower the ambient temperature inside the chest
simply add or remove frozen bottles. Make sure to keep extra frozen bottles in
the freezer and create a rotation schedule so you always have frozen bottles in
your ice chest. Believe it or not, I have even used this method to lager my
beer!
The most important aspect to either of these cooling techniques is to know the
ambient temperature. If you do not measure the surrounding temperature of the
keg you will not know if you have an ideal brewing temperature. To measure the
temperature of your brewing surroundings you can either use a Mr. Beer brew
temperature gauge (brewmometer) as I do, or for an even more accurate temp
reading, you can use a thermometer in a glass of water. To do this, simply fill
a glass with water and then set a thermometer inside the glass. Finally, set the
glass next to your keg. After it has sat by your keg for a few hours check the
thermometer and you will have a very accurate reading of the ambient
temperature. Taking the temp from the water glass instead of the air is more
accuarate because, unlike the air, the water temp will not change rapidly as you
open the door to the cooler or refrigerator to check on your keg. After you know
the surrounding temp you can begin needed adjustments by adding/removing frozen
bottles from your ice chest, or by raising/lowering the temp dial of your
fridge.
Use these practices and you will never have to face the long hot days of summer
without a frosty homebrew in your hand again. As brewers we must rise to each
challenge and overcome for the sake of our taste buds and those wonderful suds!
Brew On!
Brewmaster Gene
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