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Old 09-27-2012, 12:36 PM   #1591
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Think I'll try this soon....how long can u reuse the yeast? While touring Highland Brewery in Asheville they mentioned they never use yeast after 8 generations if I remember correctly.

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Old 09-27-2012, 03:36 PM   #1592
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Quote:
Originally Posted by 2BeerSpeer
Think I'll try this soon....how long can u reuse the yeast? While touring Highland Brewery in Asheville they mentioned they never use yeast after 8 generations if I remember correctly.
Individual jars last up to a year (with good practices); most say 5-10 generations depending on how good your sanitization is.
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Old 09-27-2012, 04:17 PM   #1593
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I normally get about 4-5 jars out of a batch - G1. G2 will then be 4-5 more jars. If you were to do the math, even 5 generations will make more beer than you will probably ever home brew in your entire life. If you only saved 2 jars you'd still get quite a bit of use out of one $7-8 vial of yeast.

Now that I think of it, there's no need to keep that much yeast on hand for 5gal batches. I should be content with 2-3 jars per generation, each with a higher yeast concentration.

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Old 10-02-2012, 12:21 AM   #1594
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Originally Posted by mrwaffles View Post
Washed some yeast from a porter two weeks ago. Got 4 jelly jars full in fridge. My question is.... i want to brew this saturday (a stout). Do i just pull a jar out sat. Morning let it warm up, decant and pitch into stout? Or do i need to make a starter friday night?
I used to do that with no issues, though my lag times were all over the map. So I started doing a starter and now my lag time is pretty much four hours. There are valid reasons for doing a starter other than lag time, so I would recommend that you do starters to make better beer. It may or may not be noticeable, the difference in a beer made with a starter or not, but for the peace of mind factor (and it's simple to do, so why not?) I always do a starter nowadays.

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Old 10-02-2012, 06:12 PM   #1595
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I have read that washing yeast works well for up to 5 generations but know I am wondering if does a yeast starter from washed yeast count as a generation? What if you ended up stepping up the size of a starter, will this count for a generation? (ie, if there a certain period of time for yeast activity to count as a generation?)

My gut says that making the starter will not count as a generation but since we had bad mexican food for dinner last night I am not wanting to trust my gut instincts.

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Old 10-02-2012, 08:32 PM   #1596
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No, starter doesn't count.

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Old 10-02-2012, 08:48 PM   #1597
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No, starter doesn't count.
Thank you
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Old 10-05-2012, 11:03 AM   #1598
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Made a starter from the 25mL tube I had from 9/18 and it's taking off pretty well. It's in my growler with the lid on loose and when I stir it up the foam comes almost OUT of the top of the bottle.

2 pint starter
0.6 oz DME
sounds about right....I think this stuff will be a strong fermentation for an OctoAle I have planned on Sunday. Cold crash Saturday night by leaving it outside. Lows here are 40.



As far as washing and keeping a bunch of jars...yeah if you get 5 jars from each batch and NEVER go back to the first stock of 4 unused jars you'll end up with a lot of yeast. I'm personally washing and trying to condense it as much as possible to take up less room. Date it and I'll probably toss stuff that's 3 months or older. Yeast isn't so expensive that throwing out A SINGLE wash will break the bank.

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Old 10-06-2012, 08:51 PM   #1599
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Safale 05 explosion!

So I went to make a starter from some 05 I had washed. Noticed the top was a little distended, but being a moron, I did not bother to let the CO2 escape by popping the jelly jar open. Next brilliant move was when I decided to get the yeast into suspension by swirling the crap out of it. That's when all hades broke loose! The pressure bent the lid:

Yeast foam went EVERYWHERE! What a mess...Learn from my stupidity. Always vent your jars before swirling!

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Old 10-11-2012, 02:21 PM   #1600
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I’ve been using rehydrated dry yeast. I’m interested in yeast washing to save some money. From what I’ve read, there seem to be occasional problems with the washed yeast – contamination, viability problems, cell count, etc. With dry yeast being pretty cheap, is it worth risking a $30 batch of beer to save a packet of yeast?

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