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Home Brew Beer Kits - Solutions to Common Problems - Part Two: Brewing and Fermentation

Welcome to Part Two in our series on how to make great beer using your home brew beer kit. For an introduction to brewing beer, please see Part One in this series: Understanding the Process.

When using your home brew beer kit, what you do during the brewing and fermentation stage can mean the difference between a merely adequate beer or something truly spectacular. Off flavours and aromas or even undrinkable beer can result from a simple misstep.

It is generally written that there are 4 factors which must be controlled in the fermentation process to achieve the best tasting beer: brewing and fermentation temperature, volume of yeast used, volume of oxygen in the wort and fermentability of the wort. We would add sanitation and length of fermentation as equally important factors, especially when considering home brew beer kits.

With all inclusive home brew beer kits, we can't control the volume of yeast or the fermentability of the wort. We trust that the manufacturer has done their job and these things are as good as they should be. We can however control the other factors and these can have a big impact on the final product. Let's look at these factors in more detail.

1. Sanitation, Sanitation, Sanitation

Sanitation may be self-evident but many new brewers are so excited to get started brewing that they forget, or just don't realize, just how important this step is. Thoroughly sanitizing your equipment prior to introducing it to your wort is vital, or your batch can get infected, leading to off tastes or an undrinkable beer. I cant think of anything more sad than waiting long, excited weeks to try your beer and then finding out its ruined.

Most kits supply fermenting containers made out of food grade plastic. This is great for the beginning brewer as it provides a kit at an extremely affordable price point. However, plastic is prone to tiny scratches which can harbour bacteria, molds, fungi and other contaminants. Although some kits instruct putting the utensils in the keg to soak in the sanitizing solution, we wouldn't recommend this as it can lead to scratches. Instead, we would recommend soaking the utensils in a separate bowl.

You can use the included sanitizers that come with most kits and refills, and don't forget to sanitize everything, including the can opener. You may also wish to wash the top of the can with some of the solution. After sanitizing according to the directions, rinse everything thoroughly with plenty of clear water. If trace amounts of the sanitizing agent are introduced to the wort, your beer may have off flavours related to the chemical compound of the sanitizer.

2. Brewing and Fermentation Temperature

Wort to start your beer is generally provided in cans. Heat the cans as directed, but after this, we are going to suggest you may want diverge from the instructions provided with your kit. Some kits tell you to pour the wort into the cold water in your fermented immediately off the boil. However, pouring hot wort into cold water, may allow for oxidization of the wort mixture which can contribute to bad flavours.

We will go into aeration a little more in the next section, however for now, remember to cool your wort until cool to touch or below 80 degrees F (27 degrees C). This process can be sped up by placing the cans in an ice bath. Remember that if you use this method, to dry off the side of the container your wort is in to prevent dripping (and possible contamination) into your fermentation container.

3. Volume of Oxygen in the Wort

Oxygen is both the friend and enemy to the fermentation process. Yeast requires oxygen but the wort must not oxidize. This is why you do not pour hot wort into cold water, to prevent oxidation. So how do you get the proper amount of oxygen dissolved in your fermentation water?

For beer kits, obtaining the proper aeration is pretty simple. Pour the required amount of cold water into your fermentation keg, put the lid on, and shake vigorously for several minutes. Some kits have ventilation notches in the lid so be careful when shaking or you may get wet. Alternatively you can shake in any other container (sanitized, of course!) and then pour into the fermentation container. The water you aerate must be cold, or again you may get oxidation of the wort compounds.

4. Length of Fermentation

Home brew beer kits instruct you to let your beer ferment for as little as 4 days and generally up to 14 days. For truly excellent beer, these fermentation times are far too short. Doing a little research on what is the best length of time to ferment for your particular type of yeast will help guide you. To take the guesswork out of when your batch is ready to be bottled, treat yourself and buy a hydrometer if your kit didn't include one.

To use a hydrometer, measure the initial gravity (often abbreviated OG for original gravity) of your wort after you pitch your yeast. Begin taking measurements, every other day, starting 14 days later. Your wort is ready when the final gravity (FG) is about 1/4 to 1/5th of the OG. The other guideline if you didn't take an OG is fermentation is complete when the measurements are the same for three consecutive measurements. Do not measure more often than every other day as every time you open the fermenter you are exposing the wort to the risk of infection. Do not dip the hydrometer into the wort, remove what you need with a sanitized utensil such as a turkey baster and do not return the sample to the keg.

If you don't have a hydrometer, the general recommendation is to let the wort ferment for between 21-28 days.

5. Temperature

The temperature at which your wort should ferment is a bit variable depending on your style or beer and type of yeast. Again, do some research, find out its optimum temperature and do your best to keep it within a few degrees of that ideal.

Most people have the most trouble keeping their fermentation vessels cool enough. There are lots of simple ways to keep them cool. Buying a cooler big enough for your keg is probably best, but if you don't want to invest that amount of money, then you can easily create a makeshift one. Put your keg inside a cardboard box a bit bigger than the keg is. Place an instant read thermometer next to the keg. Then put frozen water bottles around the kegs, close the box and cover with some type of insulating material (how about that old wool sweater?). Change bottles as needed to keep temperature constant. Have extras in the freezer so you have a continual rotation.

We hope you enjoyed these tips on how to improve your chances of making great tasting beer with your home brew beer kit by controlling factors in the brewing and fermentation process. In the next article we will examine some commonly found off tastes and what they mean.

About the Author

Teresa is a novice home brewer who came by the interest honestly; as a child her Dad had a huge patched-together home brew system that made barely drinkable beer. She has since found that home brewing has come a long way (baby) and that great tasting beer can be made safely and easily in small spaces with just a little attention to detail.

Visit www.besthomebrewbeerkit.com for in depth reviews of the most popular home brew beer kits makes summarized from discussion and feedback from owners, as well as helpful hints on how to make outstanding tasting beer.

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Can I take kegs into Mexico?

Can I take kegs into Mexico? More importantly, can I bring an empty keg home from Mexico? Will I have trouble crossing the border w/ an empty keg?

I seriously doubt that the Border patrol will allow you to take a keg with you into Mexico.

Trust me, as a Mexican and frequent traveler via car and plane to Mexico, you are very limited in taking items over there in this post 9/11 world.

Buy beer over there. Corona Beer Totally Rocks!!
(It's my fave!!!)

Inc. 5000 Update: Surly Brewing (inc)

Omar Ansari of Surly Brewing had to fight the law to launch his craft brewery.

**A child of entrepreneurial parents**, Omar Ansari knew what it was like to
run a small business--in this case, an industrial abrasives manufacturer based
outside Minneapolis. But it was his passion for home-brewed beer that led him
to launch his company, Surly Brewing. Despite some obstacles, including a
state law that Ansari's customers recently helped change, Surly Brewing has
flourished. Sales reached $4.7 million in 2010, landing Surly on the 2011 Inc.
5000 at No. 732.

**I got into craft** beers in 1994, when my girlfriend at the time bought me a
home-brewing kit. Over the years, I really got into home brewing. As a birth
announcement for my son, Max, I sent out a batch of beer.

**I started thinking** about how great it would be to get into the beer
business. I had been working at my parents' company since I was a kid and
running it full time since 2002. It wasn't exactly a growth business.

I thought if I could con my folks into giving me space in their building, I
could run the business by ...

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How to open the Disposable Keg — Tapping Coor's Disposable Home Draft Keg