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Old 09-02-2008, 04:15 AM   #1
slugdoug
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I have been looking everywhere and I still don't get the yeast starter. This is the first time my brew has called or a liquid yeast and when I purchased the ingredients they told me that I could use dry yeast but it would be better to use liquid. I still don't understand the yeast starter process; an someone give me a true step by step.

 
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Old 09-02-2008, 04:17 AM   #2
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Courtesy of the Deathbrewer.
http://www.homebrewtalk.com/f39/how-...ctorial-76101/
See...Dying isn't all that bad!
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Old 09-02-2008, 04:19 AM   #3
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Sure, doug. What you want to do is to make a mini batch of beer. I use dry malt extract and water. I boil 4 cups of water and then add one cup of dry malt extract. Let it cool to room temperature and then add your yeast. For bigger beers you might want to add more of the boiled extract mix. The starter generally finishes in a day but I always give it two if possible.
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Old 09-02-2008, 04:31 AM   #4
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Yeast starters are cool.

I've gotten lazier with my brewing lately though and I would highly recommend you consider dry yeast for any standard ale. It is so much easier just to sprinkle a packet of Nottingham in the wort. And regardless of what the critics say, dry yeast works just fine for most beer.
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Old 09-02-2008, 08:02 AM   #5
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Just to clarify.

If you are using dry yeast you don't need to/shouldn't make a starter.

Either sprinkle it on the wort or hydrate it first.
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Old 09-02-2008, 10:27 AM   #6
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Quote:
Originally Posted by slugdoug View Post
I have been looking everywhere and I still don't get the yeast starter. This is the first time my brew has called or a liquid yeast and when I purchased the ingredients they told me that I could use dry yeast but it would be better to use liquid. I still don't understand the yeast starter process; an someone give me a true step by step.
I'm going to recycle a recent post.
I didn't get flamed for it, so it can't be too bad.

You can sprinkle dry yeast in the fermenter, and a lot of brewers do just that.
But the manufacters recommend re-hydrating dry yeast in tap water that has been boiled to kill bacteria and drive off chlorine, then cooled to 80 - 100 degrees Fahrenheit.
This is less stressful for the yeast.

Dry yeast should be rehydrated in plain water because they are dried after they have accumulated oxygen and energy reserves.
They are in suspended animation and just need a little water.

I think new brewers should stick with dry ale yeast for ease and reliability.
There are more different strain of liquid yeast cultures, and can produce more variations in flavor, but it takes more effort to get the best out of them.

Liquid yeast cultures are semi-dormant and continue to expend their reserves during storage.
The number of viable cells decline during storage and they are in need of oxygen and sugar.
So liquid cultures are often added to a starter beer to get them going.

Method A: Add liquid yeast to 1 pint of boiled and cooled wort at 1.040 (About 2 ounces light Dry Malt Extract by weight or 1/3 cup by volume). Cover flask or jar loosely with tin foil to allow CO2 to escape and oxygen to get in.
Swirl the container occasionally to give the yeast more contact with sugar and to drive off the CO2.
After 24 hours at 60 to 80*F, the yeast should be fully awake and ready to go to work.
Also, the foaming indicates that the yeast are viable.

A small starter will not result in significant increase in yeast cells, so (especially for lagers and high gravity beers):
Method B: Begin a week ahead of brew day with at least 2 quarts of boiled and cooled wort at 1.040 (1.5 cups light DME). Cover loosely with foil and swirl occasionally.
The foaming will stop after 3 to 5 days at room temp.
At this point there should be 2 or 3 times as many cells.
Cool in the refrigerator for at least 12 hours, to get the yeast to settle to the bottom.
It can stay in the fridge for a couple weeks like this.
On brew day pour off most of the clear liquid and allow to warm up before pitching.

There are other variations.

 
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Old 09-02-2008, 12:40 PM   #7
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Here's a cool idea that was in an older BYO.

I make up a gallon of starter wort and pressure can it in pint jars. Talk about your quick and easy starter.
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Old 09-03-2008, 08:55 PM   #8
slugdoug
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Thanks, this was really helpful. The recipe that I am using is from a clone from a small local brewer in CA and it was recommended to use liquid. I thought that I would give it a try but what I never understood before was whether or not I added all of my yeast to the starter. I am going to try this on Friday and why not try something new. I've made a lot of mistakes but haven't had a batch yet that I wouldn't drink.

 
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