Worried about fermentation.

Discussion in 'General Brewing Discussions' started by Brewrowe, Sep 30, 2017.

  1. Brewrowe

    Brewrowe New Member

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    Greetings,
    So this is my second batch of home brew and I am making a 5 gallon batch of dunkleweizen. The first batch I used a dry yeast and fermented in a carboy and the fermentation lock was bubbling within 24 hours. So this batch I used a wyeast that I activated and the bag swelled before pitching. (I noted the date was 4 months old but th e wyeast website says it's good for 6 months. Anyways, after not seeing bubbling for 3 days I cracked the lid and could see signs of fermentation and it smells fine. My question is if you have bad yeast can beer just partially ferment? When should I take another gravity? Add more yeast?
    Thanks for any help
     
  2. chub1

    chub1 Active Member

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    Personally although i do use an air lock i don't take much notice of it.They don't always show bubbles,depends on if your FV is totally airtight ,if not then in all probability it won't bubble!
     
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  3. J A

    J A Well-Known Member

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    Your beer should be fine. I'd leave it alone for a week or so before checking gravity.
    Good luck! :)
     
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  4. Brewrowe

    Brewrowe New Member

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    Thanks, that's reassuring. Do you know if it would hurt anything adding yeast after 3days other than risk of contamination?
     
  5. chub1

    chub1 Active Member

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    Listen,i am no expert believe me,however i would leave it alone as you have seen signs of fermentation!
    I have recently been using a new Yeast manufacturer over here in the UK along with many others and we have all found that all of the yeast strains go off like a rocket and then go quite after that. Some are slow workers some are quicker,that much i have learned.
     
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  6. jmcnamara

    jmcnamara Well-Known Member

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    Relax, don't worry, have a home brew (or maybe a good commercial brew if you don't have any lying around)

    A single yeast cell and enough time, and you can ferment just about anything
     
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  7. Mase

    Mase Well-Known Member

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    The yeast being 4 months old, although viable, has more than half of the +/- yeast cells still alive. That means you are only starting out with half the yeast needed. That doesn't necessarily hurt anything, but it may take a while longer.

    As suggested above, gravity readings are your friend when in doubt if fermentation is happening.

    Also as suggested above... relax and have a beer. We all learn something new each day. For example... I put up a yeast starter of Wyeast 1028 last night. Haven't used this strain before, but after smacking and 3 hours... not much inflation in the pack. I pitched it with a starter wort and put it in a stir plate. Checked this morning and took a gravity reading with refractometer to see if any activity occurred overnight. Nope. Dumped! Wyeast 1056 backup is now in the stirplate and bubbling away!
     
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  8. Trialben

    Trialben Well-Known Member

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    +10 give it time relax and have another brewski :).
     
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  9. Brewrowe

    Brewrowe New Member

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    Thanks for all the posts! I've decided I'm going to wait since it looks like it's fermenting at whatever rate it wants Very helpful tips and I guess I'll just have to drink a few more from the first batch home brews!
     

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