An undesired flavor in the final beer. The flavor may be undesirable in any style, such as soapiness, harsh astringency, or may be out of place in the style being brewed, such as fruitiness or diacetyl in a lager.

learn more… | top users | synonyms (1)

0
votes
2answers
64 views

How to fix yeast smell in young wine from kit

I started my first attempt at fermenting this wine kit in mid-April. I followed the initial directions pretty meticulously which included stirring in the fermentation bucket daily (due to kit ...
0
votes
3answers
90 views

How would the first brew taste like ? If it goes well , and if it doesnt go well?

Out of curiosity, i just wanted to know how a home brew made of bakers yeast , good water(almost sweet) and barley malt taste like . would it be sweet or flat or fizzy or something else? At the same ...
0
votes
1answer
91 views

How do I remove the medicinal taste of vanilla extract in my beer?

I bought a natural vanilla extract (vanilla beans, alcohol, and water) to add to my beer at bottling time. I mixed it along with my carbing sugar and bottled. When I tried the beer for the first ...
1
vote
1answer
47 views

Where does the grape flavor/aroma come from in dark beers?

I did two different dark beers, a rauchbier and a imperial stout, and noticed a grape aroma and flavor in them. The fermentables that there're in common are: pilsen, flaked oats, caramalt and black ...
0
votes
1answer
78 views

Soapy aftertaste in wine, fermentation temperature?

I generally find my homebrew wine (just from a regular kit) has a soapy kind of aftertaste. I'm wondering if this might be down to fermentation temperature or something, I'm taking as many precautions ...
2
votes
1answer
88 views

Plastic Bucket - Primary & Dry Hopping

I will be brewing an IPA this weekend and fermenting in a bucket...so much easier to clean afterwards. Once fermentation is complete, I am going to dry hop for 7-10 days in the primary. That ...
3
votes
1answer
95 views

What can I do with beer ruined by Chlorophenols

I made some beer and it is not nice. Ruined by Chlorophenols. So... is there anything I can do with it to make it usable in some form? I know it will not be drinkable but heck if I could clean the ...
0
votes
2answers
72 views

Foul tasting ale

I recently took up home brewing as a hobby and brewed my first (small) batch of ale. It was a simple recipe- boil a litre of water with a LOT of sugar and some lemon juice let it cool pitch in the ...
0
votes
0answers
49 views

Sterilising tips?

More of an open-ended question really, I've been using Vin Classe Sterilising powder and find it hard to tell if my 25 litre fermenters are properly sterile, I've had a few issues with wine going off ...
1
vote
2answers
111 views

What might be causing a chlorine taste?

A recent batch of grain-brewed ordinary bitter had a pronounced chlorine or TCP flavour. I used the same water treatment that usually works - boil, campden tablets, stand overnight. The recipe was ...
0
votes
2answers
503 views

20% sugar, water and yeast brew smells awful quickly, how to fix?

I've got one complete, and one brewing batch of this "Alcotec Vodka Type Spirit" ...
0
votes
3answers
398 views

Off-flavour after carbonation

I tasted the beer when it came out of the fermenter and it was great. I cooled it to 4 degrees then I racked it into the keg and force carbonated - about 1 minute at 300kPa, a good few minutes of ...
1
vote
2answers
214 views

Cherry/Cough syrup off flavor

my 7th batch is in first fermentation and I just tasted it after taking a gravity reading. It started at 1.092 and it's now 1.022 after 9 days. I noticed a strong cherry/cough syrup off flavor. Any ...
2
votes
1answer
110 views

Hop photoisomerization (light effect on transparent bottles)

Very little information can be found around internet about "photoisomerization" in beers. This is a chemical reaction on acids of hops if exposed to the light, such as in transparent bottles. I could ...
0
votes
1answer
73 views

Stout has acetaminophen (tylenol) aftertaste

TL;DR : My beer has an acetaminophen aftertaste, what could this be ? I brewed an espresso oatmeal Stout 4 months ago. It had a hard time carbonating and has an acrid/bitter (burnt? too much dark ...
1
vote
1answer
138 views

green apple esters recipes

So I was kindly given a Mr. Beer Kit recently. The gifter knew I brewed. I made it per the instructions (except I added honey in the wort to up the gravity a bit). It fermented a bit warm, and it came ...
2
votes
4answers
362 views

Remove smell from barrel

What is the best way to remove a faint disinfectant smell from my pressure barrel as its tainted the smell of my lager. I've tried white vinegar, chlorine my usual Sanitiser and just hit water but a ...
2
votes
1answer
69 views

Rye and sulfur (burnt rubber / skunk), how to explain the connection?

I've come to beleve that brewing with Rye often leads to undesired sulfur based 'burnt rubber' off-flavours. I'm pretty sure about it but I only have the following indirect evidence: have recently ...
5
votes
1answer
157 views

“Focus on Flavor” Column

I am trying to locate copies of a complete set of Scott Bickham's "Focus on Flavors" column in Brewing Techniques, which seems like it was a journal or magazine in the 1990s. The question is can ...
1
vote
1answer
1k views

Pitching Whole Starter vs Cold Crashing Effects on Taste

Earlier, I made a thread trying to find a reason for a yeast/green apple flavor in my beer.. After a lot of thought and poking around, I have an idea of why this is, but I wanted your opinions on ...
2
votes
2answers
2k views

Yeast/Green Apple Taste

I have homebrewed with family many times and never had problems, nor did I with my first batch on my own. The last couple, however, have had a yeasty/cidery/apple odor. Very strong. I doubt it is ...
4
votes
1answer
314 views

Off flavor/odor from cold break

On page 63 of Brewing Better Beer, Gordon Strong says, Some of the cold break material can actually help the yeast, but too much can contribute off-flavors. I can attest to both of these. A ...
3
votes
2answers
357 views

Are there any effects of boiling copper immersion chiller with wort?

I’m contemplating the use of a copper immersion chiller. Currently, doing partial batches, I’m able to cool my wort fairly quickly in an ice bath, then adding cooled water in the carboy. I’d like to ...
2
votes
4answers
2k views

Is my copper wort chiller still good?

I haven't had the chance to brew in about two years and I've been storing my copper wort chiller in a storage locker for most of that time. Upon moving and retrieving it yesterday, it's got some ...
1
vote
2answers
571 views

How to improve freshness bottled beer?

I'm getting some sour flavors and off-aromas in my bottled beer when they have more of one month in bottle. When the beers are young, they taste really good with full aromas, but even if I stored all ...
3
votes
2answers
255 views

Does skunk off flavour go away?

Skunky off-flavours are caused by ultraviolet light causing chemical reaction that transforms alpha-acids. Once this flavour is created, does it go away with time, and if so how much time? Or will it ...
4
votes
1answer
364 views

How to prevent solventy/overly alcoholic flavors?

I'm a moderately experienced homebrewer, and recently I've been making a lot of imperial stouts--variations on the same recipe, hoping to dial it in. Decently strong ones: my OG is usually around ...
7
votes
7answers
631 views

Most common and obvious off-flavours for homebrewers

I heard about some possible errors in the process that cause off-flavours (for example skunk due to sunlight). Excluding infection problems, and talking about most obvious errors one can do and are ...
2
votes
3answers
701 views

Ash/ash tray off flavour

What does cause ash or ash tray off flavour? I made an all grain porter (using chocolate and carafa type I), there is a slight ash tray off flavour. The falvour was apparent at the beginning (just ...
1
vote
1answer
208 views

Inconsistent flavor between my bottles

I bottled my second batch of beer, a nut brown ale recipe from northern brewer. I added coffee to the secondary, and my first bottle I had after 2 weeks bottle conditioning tasted like a nice coffee ...
11
votes
2answers
4k views

What are the primary causes of Acetaldehyde?

I'm a bit confused about this. In my own experience, I'm no longer experiencing acetaldehyde flavours in my beer after improving my aeration methods and at the same time starting to use yeast ...
1
vote
3answers
126 views

Partial Mash Extract twang

The off flavor i am tasting is sweet, and actually tastes malty/caramel. It's supposed to be an IPA but this sweet flavor is disconnected form the hops. Will leaving it in the bottle longer help ...
4
votes
1answer
282 views

Can I “boil” off acetaldehyde?

This is something interesting I noticed over the weekend. One of my beers has that distinct green apple smell to it. (I had to keg it early because I needed the fermentor. LHBS accidentally sold me a ...
3
votes
1answer
69 views

What are possible causes of a vegetal flavor in mead?

I recently entered my first mead into a BJCP-judged competition (mostly to get feedback), and all three judges reported a vegetal off-flavor in the mead. What could be the cause of this? The mead was ...
3
votes
5answers
730 views

Galvanized steel off-flavor?

I brewed my first beer with maris otter and it came out with an ashtray/cigarette flavor. At first I assumed it had something to do with the maris otter, but later I noticed my mash tun hose clamps ...
4
votes
3answers
739 views

Racking a carbonated beer from a keg back to the fermenter

Long story short, I have a wheat beer that has a weird band-aid phenol that isn't going away. Rather than dumping, I thought I would try racking to a new fermentor, adding chopped dried apricots, and ...
1
vote
2answers
1k views

Ways of saving an band-aid beer

I am exploring what in my process could have possibly caused this flaw, but it is likely old yeast propogated in a starter and then pitched, as this has not happened to me ever before. What I am ...
1
vote
1answer
156 views

What is/causes a solvent-like aroma from airlock

This happens on a good number of my brews, but if I stick my nose right up to the airlock, or into the ale pail with the lid off (don't do this often), I get an intense solvent-like smell, like to the ...
12
votes
3answers
6k views

All my all-grain batches produce a bitter/astringent, dark, almost burnt off flavor that ruins every batch, from light pilsner to dark belgians

I'm scratching my head trying to figure this one out. Here's the story: I started brewing extracts, and they all came out great. I wanted to get into all-grain so a last year I ordered myself the ...
5
votes
1answer
953 views

What flavors come from fermenting S-04 on the warm side?

I brewed this 1064 OG recipe and used my reverse flow chiller to get it down to 74F (could have gone cooler, but my starter was at 76F or so). It fermented like nuts (over 1.5 gallons of krausen ...
2
votes
3answers
2k views

What is causing a bad flavor after cold conditioning?

I've had something happen to a couple batches and can't figure out what's going on. What happens is a major flavor change after the first two weeks of primary, but for the worse. Normally my beers ...
5
votes
5answers
10k views

Sour Off flavor

Our last 4 or 5 batches have had a distinctive sour flavor to them even though each has been a completely different style (wit, brown, 2 stout, hefe). What are the common reasons to get a sour off ...
4
votes
2answers
365 views

Estery fruit flavors in my vanilla bourbon imperial porter

I'm still pretty new to home brewing, so I'm sure I made about a hundred mistakes with this beer. I brewed a 1.079 OG imperial porter, and used Safale 05 (only one pack, unfortunately). First of all, ...
4
votes
1answer
709 views

Will using a 2-liter soda bottle as a growler affect flavor?

Just read an article about a NYC beer hall filling 2-liter plastic soda bottles instead of glass growlers. I wouldn't expect this to make a significant difference over 24 hrs, but is there any chance ...
1
vote
1answer
610 views

Fruit Beer Question (use of fig and style recommendation)

I am trying to brew a beer for my brother's 50th birthday in late April (who had a large part in getting me into homebrewing, though he has since hung it up). He is a huge fan of figs, so I thought I ...
8
votes
4answers
1k views

Strange aftertaste in mead?

I've been making mead for a while and there's something I can't quite resolve. Some batches are said to have a strange, solvent-like or "turpentiney" after-taste. Most people don't seem to notice it ...
5
votes
2answers
438 views

Why would aeration cause diacetyl

My BJCP Course states that (too) late aeration can cause diacetyl. My understanding is that diacetyl is produced by yeast during the first phase of fermentation. How could too much oxygen in a ...
4
votes
2answers
1k views

Combating Diacetyl

I've just finished my first brew (brown ale), and the results aren't quite as spectacular as I had hoped. The issue is a prominent, yet not overpowering, sweet almost caramel-like flavor. As best I ...
7
votes
6answers
3k views

Soapy off-flavour source?

I have made 3 batches of beer now which each had the same off flavour but I don't really have a clear idea of the source of the problem. It's a kind of soapy cleaning flavour but doesn't match up any ...
4
votes
1answer
172 views

Moldy taste appearing months after bottling

I brewed and bottled an English Ale in August, and, after a few weeks in the bottle, promptly drank most of the 5 gallons. However, I'd heard some advice to leave a few bottles for a few months to ...