Home > advice, equipment, musings, tips and tricks > >10 Ways to Improve Your Homebrew (Part 1 of 2)

>10 Ways to Improve Your Homebrew (Part 1 of 2)

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Working at a homebrew store (O’Shea Brewing Company in Laguna Niguel, CA) has allowed me the unique opportunity to interact with homebrewers at every level. From beginners to the most advanced brewers, the thing that has always amazed me the most is the seemingly infinite variety of techniques, methods and subtleties of process that make each individual brewer unique; for every part of the brewing process, there are a dozen brewers with two dozen methods. This is what makes homebrewing fun, and what makes geeking out with other brewers fun too.

While there is an infinite amount of variation in brewing techniques, one big thing working at a homebrew store has taught me is that there are still certain things that every brewer can do to improve their beer. Whether you’re a brand new brewer, or an all-grain brewed with 20 years of experience, this list is one that I think any brewer can look at and get something out of.

1. Learn Your Proper Pitching Rates

The one thing I try to hammer into the brains of every homebrewer I meet is this simple fact: in brewing, fermentation is EVERYTHING. You can have a coopers hopped kit-in-a-can, or the best, most fine-tuned all-grain recipe, but if you have poor fermentation practices, either can end up tasting like butter, sour apples, or worse. Of all cardinal sins, underpitching is probably the most prominent, and making a yeast starter is probably the easiest way to drastically improve the flavor of tour beer.

Every wort has an optimum number of yeast cells it needs for the healthiest, fastest fermentation. A big, healthy pitch will start faster (often within 4-6 hours, reducing the risk of infection,) ferment stronger and faster, and finish out cleaner. That last part is key to clean tasting homebrew. During the growth phase of fermentation (the first 4-12 hours,) the yeast throw off all kinds of compounds that, if healthy and happy, they reabsorb at the end of fermentation – they essentially scrub the beer clean once they’ve eaten all the sugar they can. Many of the off-flavors associated with a “homebrew-y tasting beer” such as acetaldehyde (a green apple flavor) or the dreaded diacetyl (the butter flavor) remain because the yeast haven’t scrubbed them out due to a lack of health, or vitality. This is why pitching the right amount of yeast is so essential: it produces a far cleaner beer.

According to the late, great George Fix in his book An Analysis of brewing techniques, the optimum pitching rate is .75 million cells per milliliter per degree Plato for ales, 1.5 million cells/ml/*P for lagers. While you could sit down and calculate this by hand, the ubiquitous Jamil Zainasheff has created one of the handiest brewing tools out there, the Mr Malty Pitching Rate Calculator. Just plug in the gravity of your wort, your volume in your fermenter, and the production date of your yeast, and voila – your pitching rate and the proper starter size are right there for you.

While you can pitch multiple vials/smack packs to hit your proper pitch size, a yeast starter is generally a better option, both because it’s cheaper, and because it guarantees you are pitching healthy, active yeast. I’ll do a more detailed post on making starters in the future, but in the mean time, you can find great instructions here, here and here.

I’ll say it again: fermentation is EVERYTHING, and it’s often the most frequently ignored part of the process. And while pitching rates are very, very important, it’s only part of getting the healthiest fermentation you can, which brings me to……

2. Ferment at the Right Temperature

I can’t count the number of times that a homebrewer has brought a beer to the store, wondering why it tastes off. Invariably I’ll ask about their fermentation practices, only to find that first, they just dumped the dry yeast in the kit into their wort without rehydrating (for the love of god, if you’re going to use dry yeast, rehydrate it first.) Second when I ask what temperature they fermented at, I’ll get an answer something along the lines of “uhhh… Room temperature? 80 maybe?”

This is the other main mistake new brewers make, and is the other best way a homebrewer can improve their beer. Every yeast has a temperature they perform the best at; generally speaking for ales it’s between 65-68*F, and 45-50*F for lagers. There are yeasts that bend or break these rules (steam beer yeasts are lager yeasts that ferment in the low 60s, and certain Belgian yeasts can ferment anywhere from the mid 70s to the low 90s), but if you have an ale yeast in your hands, it’s a safe bet that you’ll be fermenting around 68*F. Fermentation temperatures are so important because the flavors the yeast produce can vary wildly depending on the temperature they’re at at any given point in the fermentation process. One big byproduct of fermentation (specifically the growth phase) is esters. Yeast esters are perceived as fruity flavors and aromas that vary from yeast strain to yeast strain (my personal favorite is the White Labs WLP002 English Ale from Fullers, which produces an ester profile often described as orange marmalade). Ester production can be easily controlled by controlling fermentation temperature: ferment cooler and you reduce esters, ferment warmer and you increase them. This is why lagers and lager yeasts are so “clean” (cool fermentation), and why Belgian beers and Belgian yeasts are so distinctively fruity (warm fermentation.)

If you don’t believe me, try this experiment. Make a hefeweizen. Use the exact same recipe, with the exact same yeast and the exact same pitching rate (splitting a 5 gallon batch into two 2.5 gallon Small Batches is a great way to go.) Ferment one hefe at 65*F, and the other at 70*F. What you’ll get is one hefe that is a massive banana/clove bomb (fermented warmer) and another that has some ester, but is more restrained and balanced (fermented cooler.)

This WILL make an enormous difference in your beer.

Say it with me now: fermentation is EVERYTHING!

Now that I have fermentation hammered into your skull, we can move on to my other favorite things that -any- brewer can do to improve their beer.

3. Review your Sanitation Practices

I know what you’re thinking: “pssssh…. I can skip this one. My sanitation is fine! I haven’t had a contaminated beer in years!”

……oh really?

Sanitation is so widely known to be so important, many brewers will get into a sanitation regimen and stick with it. Often, brewers will be so confident in their sanitation, if they get some sort of off flavor, they will pick over their entire process, not realizing that they haven’t disassembled and cleaned their fermenters in two years (I’m looking at you, Mr. Smug I Started Brewing Before Papazian asshole.)

Before your next brew, pick over your sanitation with a fine tooth comb. Think to yourself: is it ok to just spray down this racking cane, or should I be soaking it? Am I good just filling up my bucket with sanitizer, or should I pull the spigot off and sanitize it separately? In fact, how long has this sanitizer been in this spray bottle? Any one of these questions could be the difference between a tasty pint of porter and one that has notes of plastic and band-aid.

4. Calibrate your Equipment

Ever wonder why your beers end up being so sweet/dry? Or over/under your target gravity? The culprit often is equipment that isn’t calibrated properly. Floating thermometers and hydrometers are usually good about not drifting one direction or another very quickly (if at all,) but dial thermometers, and especially digital thermometers, should be calibrated once every few months at the very least. Refractometers are a whole different level – I calibrate mine before every use to maximize accuracy.

Just as important as calibrating your measuring equipment is having an accurate way to measure volume. A sight glass is, of course, the best way to track and measure volume, but a notched spoon or mash paddle can do pretty well.

In general, being as accurate as possible with your measurements will help fine-tune your system and help keep consistency from batch to batch.

Speaking of consistency and accuracy….

5. Take copious notes.

Knowing as much detail about your brewday as possible is the best way to keep repeating any mistakes one might make. And don’t just record your numbers and be done with it! Jot down anything you might think would be useful any time in the future, especially when it comes to anything out of the ordinary during your brewday. Keeping these notes organized and somewhat structured for future reference is also essential; some kind of standardized sheet or brew log is an investment in time and/or money that every brewer should make.

After writing out these five items, I realized that having all 10 items in one post might make for an excessively long read, so check back in a few days for part 2!



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