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Old 07-22-2012, 03:12 PM   #1
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Default a little confused...

Usually, I use dry yeast... Doing 10-11g batches and pouring 1 pack in each 6.5g carboy...

So this time I decided to try a yeast starter with liquid yeast (WLP002)..

Made the starter in a mason jar, it fermented for a little less than 3 days in my fermentation chamber before pitching.... It was still producing gas,,, had a nice 1/2" or better yeast cake on the bottom...

So after the brew yesterday, I took off the airlock, replaced the mason jar airlock top with a sanitized solid top, and shook the crap out of it... Everything seemed 'definitely suspended'... no yeast cake at all on the bottom..

Poured half of it into a sanitized measuring cup and pitched it into one carboy... Replaced the lid, shook the crap out of it again and then poured the rest into the measuring cup and pitched it into the other carboy....

Shook the crap out of both carboys for a good minute each to aerate like I do with the dry yeast (place the carboy on it's side on my knee and rock it back and forth to get the liquid sloshing and foaming violently)..

I pitched the yeast at 9:15 pm last night both wort and yeast at 68 degrees... Raised the fermentation temp to 70 degrees when I went to bed at midnight.. No obvious fermentation at that time, but the second carboy was showing signs of producing gas...

This morning, the second carboy is flocculating nicely, no activity at all from the first.... Shouldn't they be acting 'identical?'

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Old 07-22-2012, 03:28 PM   #2
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You would think so,but not uncommon for them not to.

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Old 07-22-2012, 03:53 PM   #3
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You would think so,but not uncommon for them not to.
Okay.. That's what I was hoping to hear..

If nothing is happening by tomorrow afternoon, I'll either pitch one of the dry yeast packs or I'll make the 50 mile trek to town for some more WLP002..

Thanks!
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Old 07-22-2012, 03:56 PM   #4
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Nevermind...

Before I posted the original post, I gave the non-responsive carboy a bit of a rocking...

Just went back and looked, and 'all' of the trub has floated to the top and looks a bit flocculated on the bottom of the floating trub ..... So evidently there's 'something' going on...

It should be okay....

Hoping the liquid yeast makes my beer even better!

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Old 07-22-2012, 04:02 PM   #5
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If I'm reading this right, you used a single smack pack, in a mason jar sized starter, to ferment a 10 gallon batch? An I reading that correctly? What was the OG, and just how big was the mason jar? Unless the OG was very low, and/or the mason jar very large, I can't imagine that you didn't grossly under pitch. I'm impressed that one of your fermenters took off as quickly as it did...

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Old 07-22-2012, 04:14 PM   #6
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If I'm reading this right, you used a single smack pack, in a mason jar sized starter, to ferment a 10 gallon batch? An I reading that correctly? What was the OG, and just how big was the mason jar? Unless the OG was very low, and/or the mason jar very large, I can't imagine that you didn't grossly under pitch. I'm impressed that one of your fermenters took off as quickly as it did...
Not a smack pack, but a vial...

I used 24oz in a single mason jar... After three days of fermenting, there was easily several times as much yeast cake as in the original vial (which is supposed to be enough for 5g, right?).. So each carboy got 12 oz.. well actually, the slow one might have gotten slightly less, and the other one slightly more...

OG = 64 (post boil)
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Old 07-22-2012, 04:25 PM   #7
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Here's the original mason jar with yeast cake prior to pitching






And here's the two carboys now.. The one on the left is the slow poke..

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Old 07-22-2012, 04:30 PM   #8
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Should I have made two mason jars and split the vial between them or what?

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Old 07-22-2012, 04:30 PM   #9
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Looks like you may have had a big enough starter for one batch, but probably not two. The liquid yeast vials are *not* enough for a 5gal batch unless it is a low gravity. Use mrmalty or yeastcalc next time.

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Old 07-22-2012, 04:32 PM   #10
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Easy, one carboy got all the kettle trub, one didn't. There may very well be more nutrients in the one with trub, which will help the yeast get going. Remember, no two fermentations are the same, even if it's a split batch with the same yeast, the two carboys may not act or look the same.

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