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Old 07-15-2011, 03:13 AM   #201
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Originally Posted by Jwash1705 View Post
I came home today to find two fruit flys in my starter which was covered by foil. My question is... Is there any way to save this yeast or should I just cut my losses. Thanks for any help you can give me.
I would dump it. Fruit flies turned one of my beers into vinegar. I don't see how you would kill the bacteria that's in there.


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Old 07-15-2011, 10:03 AM   #202
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That's what I kinda figured. Luckily I just washed some wlp001.



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Old 07-15-2011, 10:54 AM   #203
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Thats why people shouldn't use foil. I always use a airlock, never had a single problem before.

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Old 07-15-2011, 12:04 PM   #204
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Thats why people shouldn't use foil. I always use a airlock, never had a single problem before.
I use one of those foam stoppers on my flask and it works great. That would keep the flies out while still letting filtered air back in.
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Old 07-16-2011, 12:29 PM   #205
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yes sir

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Old 07-17-2011, 04:18 AM   #206
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+1 on the foam stopper. I dunk mine in StarSan water squeeze it out really well and plug it in the flask.

I also wanted to add my two cents on krausen formation on a starter. I've seen a bunch of people who mention getting little or no krausen forming. I've made 4 different ones now, with 3 different kinds of yeast - I have yet to see any significant krausen formation. Just some CO2 bubbles in suspension and a layer of yeast forming up on the bottom.

Also, I saw someone mention before mention this, but be careful swirling! I had an explosion on my first starter when I picked it up and swirled it too vigorously. What a sticky mess!

BTW, I've been following the starter recipe from Northern Brewer:
http://www.northernbrewer.com/documentation/YeastStarter.pdf

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Old 07-17-2011, 12:48 PM   #207
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Originally Posted by redshift
+1 on the foam stopper. I dunk mine in StarSan water squeeze it out really well and plug it in the flask.

I also wanted to add my two cents on krausen formation on a starter. I've seen a bunch of people who mention getting little or no krausen forming. I've made 4 different ones now, with 3 different kinds of yeast - I have yet to see any significant krausen formation. Just some CO2 bubbles in suspension and a layer of yeast forming up on the bottom.

Also, I saw someone mention before mention this, but be careful swirling! I had an explosion on my first starter when I picked it up and swirled it too vigorously. What a sticky mess!

BTW, I've been following the starter recipe from Northern Brewer:
http://www.northernbrewer.com/documentation/YeastStarter.pdf
How did u get a explosion? Unless you had the top completely covered with no way for co2 to escape.
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Old 07-17-2011, 03:19 PM   #208
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Just my .02 I use foam stoppers also with a borsiliate 2l flask so I do my dme/water boil right in the flask. point being I put my foam stopper on top while boiling my starter and it steam sanitizes the foam stopper which is the way the guy at Northern Brewer taught me to do it. seems to work out just fine.

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Old 07-18-2011, 11:14 AM   #209
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Thats a good idea. Whats the deal with the foam stoppers? I've never used or seen them before? Some how let air out but not back in?

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Old 07-18-2011, 11:17 AM   #210
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Thats a good idea. Whats the deal with the foam stoppers? I've never used or seen them before? Some how let air out but not back in?
no they do let air back in though the micro " bee hive " that the foam has going on prevents bacteria from being able to navigate to the starter.


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