Tagged Questions

Yeasts are micro-organisms used in brewing to produce alcohol during the process of fermentation.

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3
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1answer
689 views

How much yeast nutrient does starter wort need?

I am going to make a batch of wort to be stored in 1 quart jars to make starters from. I'd like to add the yeast nutrient (diammonium phosphate and yeast hulls) at this time so I don't have to mix it ...
5
votes
2answers
225 views

Possible to intensify/increase the amount of yeast flavor?

I will soon be making a hefe and will be using wyeast's 3068. In recent hefes I have made, I have always desired much more intensity in the flavors provided by the yeast strain. The only method i am ...
6
votes
2answers
565 views

Measuring yeast in a slurry

Please tell me if I'm being overly simplistic here. I was reading the book yeast by Chris White and Jamil Zainasheff. In the book, they talk about measuring how many cells are in a slurry by using a ...
5
votes
1answer
694 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 ...
4
votes
3answers
4k views

Alternative/homemade yeast nutrient?

I forgot to add nutrient to my must when I put it in my carboy the other day (first time brewing mead). I fear I won't be able to get to my homebrew store before it's too late, so I'm wondering if I ...
1
vote
4answers
3k views

Measuring yeast activity by collecting CO2

I've been thinking about ways to measure the progress of the primary fermentation, looking for an alternative to taking samples and measuring the gravity. I was wondering if anyone has tried to ...
1
vote
1answer
257 views

My yeast isn't floating at the top of my mead

I just made my first ever batch of mead. I used a stronger yeast (a wine yeast) and the package said to let it sit for about 15 minutes in 50ml of warm water. I did that and added the water and yeast ...
4
votes
2answers
877 views

How much yeast do i need for 1bbl batches?

We are planning on brewing 1bbl batches, but we are kind of stuck on how much yeast we need. We contacted White Labs but their 1bbl pitchable yeast is way too expensive. I want to know what would be ...
6
votes
2answers
789 views

Storing Yeast Slurry

If I take a yeast slurry from a batch of beer, wash it and store it in a sanitized container - how long can I leave this yeast slurry in the fridge before repitching? I'm thinking of leaving it in the ...
5
votes
3answers
2k views

Ideal fermentation temperature

I'm just finishing up a DIY fermentation chamber made from a chest freezer, reptile tank heater, and a temperature controller. Now I just need to figure out what temperature to set! Most yeast ...
3
votes
1answer
349 views

I moved a Kolsch to secondary after 4 days. Should I repitch yeast?

This is my first batch ever, a Kolsch from a kit. It fermented like crazy the first 2 days, but after 4 had stopped bubbling, so I moved it to a secondary container. As I was transferring, I noticed a ...
5
votes
3answers
2k views

How can I restart fermentation on a stuck strong dark belgian ale?

What can we do to restart fermentation that got stuck over the winter? Our club brewed about 7 gallons of this recipe in November. Primary went well, but then the weather got cold and the yeast went ...
4
votes
3answers
2k views

Do yeast die after bottling?

Do yeast die after bottling? My second batch of beer have been stored in bottles over a month now without producing any co2. I want to add some priming sugar to start the fermentation again, but I'm ...
5
votes
1answer
183 views

Flanders Red from Brewing Classic Styles

I am interested in brewing the Flanders red that is found in Brewing Classic Styles. Jamil mentions using the Wyeast 3763 or WLP655 and leaving it sit for a year until the pellicle forms then falls ...
4
votes
2answers
419 views

Wine yeast for beer?

Has anyone ever used wine yeast for a batch of beer or a beer yeast for a batch of wine? I brew beer and my neighbor makes wine and we have been toying with the idea of trying to make a batch of our ...
10
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6answers
1k views

Does suspended yeast contribute to high SG?

I've got a SMaSH beer (Baird Maris Otter and EKG) finishing in primary. It's been fermenting for just over a week. Starting Gravity was 1.046. I mashed at 154F for 60 minutes. Fermented with WY1335 ...
2
votes
2answers
516 views

What differentiates the lag phase from fermentation?

When making a starter, the intent is to make yeast. We use stirplates in part to continually oxidize the wort, enabling the yeast to multiply. In this question about starter oxidation, one of the ...
6
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3answers
354 views

Does dry hopping affect attenuation?

Does the anti-microbial affects of hops affect yeast activity and therefore attenuation when dry hopping near the end of primary fermentation?
5
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1answer
499 views

Any need to stop yeast before kegging?

I'm brewing to keg for the first time, finally. I am planning to force carbonate and was wondering: Are there was any steps I need to take to stop any active yeast before putting it in the keg and ...
4
votes
2answers
1k views

Yeast for very high gravity (1.138) stout

I'm planning to brew a very high gravity stout. I'm expecting an OG between about 1.118 and 1.138 depending on how much my efficiency suffers. I've done this before with decent results, but I think I ...
1
vote
2answers
117 views

Attribute taste variation to volume of bottle?

This is not exactly a home brew question but this site seems to be the best fit in the stack exchange network for it. You can home brew the beer in question with a kit produced by the brewery though ...
4
votes
6answers
5k views

Is there a technique which prevents the deposit of sediment at the bottom of bottles?

Every beer I've brewed and have seen done by others has had a sediment form at the bottom of the bottles. Is there some common mistake that I and others are making which is causing this to happen? ...
3
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1answer
182 views

How well does liquid yeast travel?

I have often heard people talking about the viability of pitchable liquid yeast either in a vial or smack pack dropping over time. This effect is greatly accelerated with increased temperature, so ...
6
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4answers
926 views

Yeast , dead or alive?

G'day , how long after the fermentation has finished does the yeast live ? I am curious because not only is it the cost of the yeast but if you find a particular strain and you like the taste ( ...
5
votes
7answers
777 views

Chilling wort before pitching yeast

I know it is important to chill wort to <80 before pitching yeast, and that quality of final beer is affected by the speed with which the wort was chilled to this point, and there are various ...
11
votes
3answers
5k views

What Type and Power of Microscope For Observing Yeast Cells

I'm interested in buying a microscope that I can use to observe yeast cells. Ideally, I'd like to use this to count cells in region and do calculations to get estimated populations (though I don't ...
1
vote
1answer
186 views

When should I hydrate my dry yeast?

I'm brewing beer tonight (in roughly three hours) and I've decided to try rehydrating my dry yeast instead of throwing it directly into the cooled wort. If I boil a couple cups of water, how long does ...
3
votes
1answer
830 views

Can ale yeast be used weeks after it's opened (Safale S-04)?

Second-time brewer (to be). When I did my first kit brew, I didn't want to mess anything up, and the instructions I was following told me to avoid the yeast sachet taped to the top of the LME can and ...
3
votes
1answer
2k views

How do I know when a starter has hit 'high krausen', when using a stir plate

I've been advised to pitch an alcohol tolerant yeast "at high krausen" into a barley wine where the fermentation has slowed (OG 1.101, now 1.035). But if I've got it on a stir plate, how do I know ...
5
votes
2answers
213 views

oxygen and yeast pitching rates

Many online references, such as BYO, mention that oxygen is needed by yeast to reproduce, and that a wort with low dissolved oxygen levels will have longer lag times and less attenuation. This might ...
1
vote
1answer
174 views

Premature fermentation of wine must. What to do?

I recently took delivery of a five gallon pail of white wine juice. Supposedly, the juice had been refrigerated on its trip from California and stored in a cool warehouse here in my home town. ...
2
votes
1answer
321 views

How quickly do I let the fermentation temperature rise if it starts off too low?

I brewed something like a Black IPA today (hoppy and dark). I ferment in carboys in a chest freezer with an external temperature control. It is frigid today, and the garage where the chest freezer ...
6
votes
2answers
365 views

Is oxidation of yeast starters a concern?

We all know oxidation is bad, and cooling hot wort is particularly susceptible to this off-flavor-producing problem. the question is; does oxidation matter for starters? I use a stirplate to aerate ...
3
votes
2answers
166 views

Why re-pitch light to dark?

It is often said that, when re-pitching yeast, you should generally go from low- to high-gravity, and dark to light beers. When I repitch, I use trub directly. I understand why using a yeast from a ...
5
votes
3answers
2k views

What happens when you push a yeast near its alcohol tolerance?

I'm brewing with Wyeast's West Yorkshire Ale yeast, which has a documented alcohol tolerance of 9%. I'd like to push that boundary by brewing an 8.5% ale and wonder what to expect. Common sense says ...
3
votes
1answer
518 views

Honey/Ginger Brew With Champagne Yeast

I got it in my head last weekend that I needed to homebrew again (it's been more than 10 years!), and so I boiled 4lbs of honey, 2lbs of ginger, 1lb of dark brown sugar and 1.5lbs of raisins (since ...
2
votes
2answers
1k views

US-05 Fermentation Temperatures / Top Cropping

Brewed a 1.060 OG IPA last night (extract), pitched a packet of US-05 reconstituted with 5 ounces of water. Pitched at 68 degrees, but I wanted a clean fermentation with minimal esters, so I have the ...
1
vote
1answer
820 views

WLP 566 Saison Long Fermentation

I brewed up a saison/BGSA 13 days ago, OG of 1.088. Don't have the grain bill/fermentables handy, but there was a good bit of sugar/highly fermentable adjuncts. Pitched a 32oz starter with this ...
1
vote
1answer
520 views

Fermentation hasn't started?

Made a kit on Saturday, 1/2 lb. Caramel 80 specialty grain, 9.15 lbs rye extract. Kit came with the Wyeast American Ale smack pack. When I got the yeast pack out of the fridge, the pack was already ...
5
votes
5answers
329 views

Extract brew, sanitizing hop strainer and tap? First brew day!

Last night I made my first ever extract brew. The brew day went pretty well. As I have a 32 litre brupak boiler with a hop strainer and tap I cooled the wort with cold bottled water straight in the ...
3
votes
2answers
771 views

Bottling high Alcohol beer

I have been researching this on some blogs and have seen info on this topic but not an answer to this question. I have brewed a 10.6% Belgian tripel with an FG of 1.02 about 6 weeks ago (secondaryed ...
2
votes
1answer
170 views

If some of the yeast doesn't get into the fermenter does it matter?

I just made my first home brew. I have learned many lessons including that if I move the fermenter to its resting place after I add the yeast some of the yeast gets stuck to the glass, and I can't ...
9
votes
1answer
244 views

Cold and Hot Break

OK I have been brewing for over 2 years, and have cranked out around 40 batches. Trying to really hone in my process and improve the quality of what I make. I am literally reading (and re-reading) ...
5
votes
3answers
2k views

Can I dry my own yeast to make it relatively shelf stable? How?

Obviously, it can be done, as dry yeast works for fermenting beer. I go sometimes a month or two between batches, and carrying over one yeast culture across beers seems a bit of a pain. How is dried ...
7
votes
2answers
1k views

Yeast nutrient schedule for meads?

Somewhere I remember a mention that a "more-modern" technique in brewing meads involves a regular schedule of adding yeast nutrients while in the primary. I was never able to find the reference again ...
4
votes
1answer
1k views

Can I compensate for pitching too much yeast?

I just pitched a whole 35mls vial of White Labs WLP001 California Ale Yeast into a 1 gallon batch of brown ale wort. I only intended to pitch half of the vial, but my brain turned off at exactly the ...
2
votes
1answer
248 views

Can you add more yeast into a batch of cider if you think you've killed it?

Ok, so I’m really new to this I started off making cider Since I juiced my own apples, I used the method of pasteurisation that kills off wild yeast by heating the gallon of juice on a stove while ...
3
votes
1answer
240 views

What changes needed to recipe when switching Ale to Lager yeast

I plan on brewing a porter next week that calls for a American Ale yeast. But my basement temperature would be perfect for using a California Lager yeast (aka Anchor Steam yeast). I've seen some ...
6
votes
2answers
685 views

Phosphoric Acid Wash for Yeast

I love recycling yeast, see it as a great way to save money, and if you find a good one, they are great to use over and over again. I was chatting with a guy in my homebrew club who is a distiller ...
0
votes
2answers
7k views

Fermentation started, then stopped the next day. Is my yeast dead?

This is my first shot at homebrewing, using Northern Brewer's American Wheat Beer kit which is based on liquid malt extract, Willamette and Cascade hops, and a packet of dry yeast. I brewed and put ...