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16
votes
4answers
2k views

Reusing yeast at home

Reusing yeast at home is something I'm incredibly interested in, but haven't found the time to learn enough about it just yet. What are the basic steps for harvesting, cultivating, or whatever other ...
6
votes
2answers
983 views

Is a cider-like smell a bad sign in a culture of beer yeast?

I started culturing yeast from a La Fin Du Monde bottle about 3 days ago. I have since stepped it up to a 2L container about half full of wort. I have been very careful about sanitizing everything ...
4
votes
2answers
1k 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 ...
4
votes
2answers
1k views

Is Mixing Yeast OK?

Say I wanted to make an ale which has some of the banana characteristics of a Belgian yeast, but also wanted some of the citrusy flavors of an American ale yeast. Could I achieve this by making a ...
4
votes
1answer
283 views

Good slant vials?

I've been looking into making yeast slants, thinking it could be fun. I've been looking for some test tubes online, and have a few questions. Is it tough to use test tubes with stoppers rather ...
3
votes
2answers
484 views

Yeast harvesting

I have just read an article about harvesting yeast (http://www.homebrewtalk.com/entries/yeast-harvesting-novel-approach.html). The author talks about making a starter and taking a part of the starter ...
3
votes
2answers
342 views

Canning unfermented wort for yeast farming?

Canning is often used to preserve foods: the microorganisms inside mason jars are killed by a boiling water bath and sealed when removed. Small amounts of unfermented wort are useful when yeast ...
3
votes
2answers
444 views

When do Yeast grow and multiply?

Do yeast multiply in the initial aerobic phase or do they continue to multiply all the way through the entire anaerobic phase?
3
votes
2answers
355 views

Capturing wild yeasts?

Has anyone done any experiments trying to capture wild yeasts around their home/property and ferment with them? Any tips, methods, ideas, etc. would be appreciated.
2
votes
1answer
36 views

Yeast plate not showing single colonies

Why do my yeast plates end up looking like this? And not this? My yeast plate is composed of wort + agar.
2
votes
2answers
83 views

Selecting yeasts

As I understand it, the selection of malt (and adjunct), hops and yeast all affect the flavour of a beer in important ways. However, while you can taste the malt and other grains to get a feel for ...
2
votes
1answer
126 views

How does a beginner manage their yeast farm?

I'm about 6 batches into my AG brewing and my fridge is slowly getting filled with jars of yeast I've been harvesting, each labelled so I can tell which batch they came from. So far I've been ...
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
38 views

Weihenstephaner Vitus yeast

Recently I decided to harvest a Weihenstephaner heffe yeast from the bottle. However, I couldn't find it in the store, so I grabbed Weihenstephaner Vitus. Does it contain the same yeast strain as ...
1
vote
1answer
31 views

Worried about extent of inflation of Wyeast 4766 package

My friend and I were trying to ferment some raspberries using the WYEAST 4766 Cider yeast. Now it's 1 day after we activated the package and it is still only partially inflated. Should we buy a new ...
1
vote
1answer
66 views

Can we use monoammonium phospate (MAP) as yeast nutrient for wine making?

Wine making is not common in my country so it's difficult to buy wine ingredient especially Diammonium Phosphate (DAP) as yeast nutrient. After look in local shop, there's a shop selling Monoammonium ...
0
votes
1answer
35 views

solidifying yeast in bottles

I brew using NA Bud.Primary fermentation in bin then secondary in primed bottles that beer originated from.bottling is done after about 1 week then left for three weeks to clear.only slight problem is ...
0
votes
1answer
46 views

What is the specific role of yeast in wine making? [closed]

I'm a senior student, experimenting on alcohol concentration of wine using different variables. My variables are white wine yeast and brewing yeast and whilst I know the main role, I would like to ...