As an extension....how fast can one learn to be a good/great homebrewer--to say nothing of the jump to commercial?
Of course, the answer is it depends, on a lot of stuff.
@Jtk78 points out a lot of what is needed, and had he been able to write more, I'm sure he would have.
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So what can accelerate the learning process? I think he's right, it could theoretically be done in a year, but everything would have to align for that to happen. And it would cost money, and require a lot of repetition.
Here's one question: how many brews would one have to do in order to move from newbie to journeyman/woman, from that to accomplished, from that to expert?
Would 20 brews be enough to become "expert"? I can't imaging anyone here who is experienced would agree with that.
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Can you compress the timeline to learn about brewing, e.g., learning vicariously from others (on HBT, youtube, other web sources, books, magazines, etc.)? In other words, accelerate the process?
Sure. I did. I've done it in other areas. I reload ammunition, in my 12th year doing that. But I like to think of myself as having more than 20 years of experience because of what I read and view and see and experiment with. I've compressed 20+ years of learning about reloading into less than 10 years (actually, haven't learned a lot over the last two years, I just keep doing it). I cast my own bullets, I powdercoat them, I experimented a lot. I'm on the bleeding edge there.
So can you compress learning about brewing? Why not? The question is how, and that probably differs for different people. I'm a voracious learner, and if I see information about brewing that's contradictory, I have to resolve it and find out why. It's my nature, might not be others' natures.
So, as JTK says above, homebrew groups, competitions, talk to breweries, etc. etc. They are all ways. I gave up personally on competitions being a source of brewing knowledge after seeing the inconsistency in them, so I rely on other sources of feedback. But it might be a decent initial place to get feedback.
Also read, read, read. Maybe Youtube videos, though the veracity of the information there is sometimes in question.
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I just checked my brewing notebook. I have 71 brews behind me, the first three extract, ever since then all-grain. Is that enough?
Enough for what? Is it equivalent to those who have hundreds of brews? No.....and yes. I focus on certain kinds of beer. I don't do sours. Don't do Stouts. I don't particularly care for Belgians, so I've never brewed one. I'm not a big Saison fan, so they're out. I do malty beers, some lagers, some IPAs.
Is it equivalent to, say,
@Yooper 's experience? No. Not even close. But the difference is a subtle one. I haven't used every kind of yeast there is, or even more than (thinking).....maybe 10 different yeasts? How many different ones has Yooper used? I'm sure much, much more than I. And I'm sure she's brewed far more recipes than me, maybe by a factor of 10 or 20 or or more.
So she could say what the effect of this yeast would be, or that particular adjunct or weird grain, whereas I don't have that. But that's exactly the kind of thing you can learn online, and thus you don't have to brew every recipe ever to have facility in brewing.
IMO, here's the thing: could I brew a Stout or a Belgian and have it turn out great? I believe I could, honestly. I believe most of brewing is about process, not recipe (yeah, recipe is important, but IMO not as important as process). It's just not that hard to get the mash temp right, get the water right, add ingredients in the boil as per recipe, get the right yeast, ferment that yeast at the right temps, etc. That's all process.
Give me a good recipe and I'll brew good beer, maybe even great beer. Because my process is excellent, and I've spent the past 71 brews learning to nail that down as best I can. I've had my fits and starts--there were hiccups when I went from extract to all-grain. Hiccups when I started using BIAB. Hiccups when I started to do LODO brewing. And hiccups when I went to electric brewing using a RIMS system.
But give me a recipe, and I believe my process will do it justice. So, to me, the learning about brewing is primarily about process. Process, process, process. Recipes are easy; process is harder.
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I've got about 25 brewing books (worst I've read: "Brew like a pro."). I'm a pretty avid reader and contributor to HBT. I resolve contradictions. I'm going to the BYO brewing boot camp in Asheville in 2 weeks. I'm participating in an off-flavor workshop here the week after boot camp.
If you're as motivated as I am, you can learn fast. But I'm going to amend my statement above: I don't think you can do it in a year unless you devote full-time attention to it, and that must include the resources to buy equipment to up the game. And as to the cost of that equipment: $5k minimum. And you'd better brew a lot, as IMO there's no substitute for doing it.
Why? Because you don't get immediate feedback. Three weeks at minimum, for lagers maybe an extended lagering period. You just can't compress all of it into a short time frame.
Can you do it in a year? It's not the way to bet, and I'd bet against it.