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Reusing yeast slurry or cake

  • BeerRay1986
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1 week 4 days ago #5202 by BeerRay1986
Reusing yeast slurry or cake was created by BeerRay1986
Hey brewers

Hope everyone is well and brewing! Nothing else to do in Melbourne lol.

Questions I have is. Does anyone reuse yeast slurry without washing? How long do you or have you kept it for without washing? how much slurry do you scoop out/pour out? And finally how much do you re pitch on your new brew?

Cheers Ray

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1 week 1 day ago #5206 by Finnroo
Replied by Finnroo on topic Reusing yeast slurry or cake
Hey there Ray, So, I always reuse my slurry without washing. Usually I swish the slurry around the fermenter after transfer and pour into 3 sanitized jars, Im guessing they hold about 250 to 300 mls or so.. You will notice that it settles down in each jar once the foamy slurry settles and often I will top them up a bit but you don't need to. Then straight into the fridge. On brew day i tip out the beer on top of the yeast that has settled out and then pitch straight in or you can do a starter as I often do but you don't need to. If you take a jar out of the fridge at the beginning of brew day and let it sit, the yeast/slurry float back into suspension with the warming of the day, you don't really want that so drain the top fluid/beer of the top strait away so as to avoid that. Then you can put the yeast back in the fridge until you want to pitch or leave it out to warm up a bit if you want. I normally put it in my fermenting fridge that set at fermenting temp but i don't think it matters although I've heard a lot about pitching yeast into the wort at the same temp. I personally don't think it matters but up to you, i haven't had any issues either way.
How much is enough? well, with that amount works fine with or without a starter. As far as storage goes, I'm comfortable up to 6 months in the fridge.
Hope this has helped, you gain confidence the more you do it. Also Im happy do 6 generations. Cheers mate
The following user(s) said Thank You: BeerRay1986

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2 days 4 hours ago #5207 by BeerRay1986
Replied by BeerRay1986 on topic Reusing yeast slurry or cake
Finroo thanks fir the advice mate I did exactly what you said and it’s off like a rocket!! I did a cheap k&k ipa yesterday to try it out within one hour of putting it in the fermenter it was off! I pitched about 1 cup at 25c of the US05 slurry. I had it in the fridge at 3 degrees for 5 days it stayed pretty active to poured the beer/water off and no problems at all smelt fine. I’ve got a 1318 London ale yeast on an all grain bitter I’ve just done and I’m doing a dark mild so I think I might split batch that one with some slurry and lallemand London ale dried yeast I have and see what the results are

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1 day 18 hours ago #5208 by Gash
Replied by Gash on topic Reusing yeast slurry or cake
I cant answer I did advanced beer school... umm,, hmmm

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1 day 3 hours ago #5209 by Finnroo
Replied by Finnroo on topic Reusing yeast slurry or cake
Your welcome Ray. I did two kit brews last week. The first one took of like a rocket and the second not so much. I remember when I pitched the second thinking there's not much in that jar. Took 48 hours to show some sign of fermentation. It probably would have been fine but I tipped another jar of slurry in for good measure and this morning it was cranking.
We don't know how much good yeast is in the jar of slurry. That's where rinsing come in and we can see the seperation . I do it often (slurry) and it goes well. Great it worked out.
Sorry Gash for my seat of your pants brewing method. Lol. Cheers guys

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20 hours 5 minutes ago #5210 by BeerRay1986
Replied by BeerRay1986 on topic Reusing yeast slurry or cake
Gday

Yeah it’s still powering along finroo thanks for the replies. This has been by far the most rouge I’ve ever brewed I was purely testing out the slurry thing which is a why I did k&k with some added bits and pieces! I didn’t even bother temp controlling this one just slammed it in the garage towel around it sitting at 20-22 I love by the seat of your pants brewing hahaha. Cheers

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20 hours 3 minutes ago #5211 by BeerRay1986
Replied by BeerRay1986 on topic Reusing yeast slurry or cake
hahhah come on gash

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Drunken Ramblings

BeerRay1986 - Fri 22 Jan - 21:39

good brewing weekend coming up!!! putting on a mild and bitter! have a rippa weekend

Finnroo's Avatar Finnroo - Sat 2 Jan - 10:28

Happy New Year Everyone. Cheers :D

Finnroo's Avatar Finnroo - Wed 25 Nov - 16:43

Feel free to ask questions in the forums and not in the drunken ramblings. Its all good and thanks for taking time to join in and ask questions. Cheers keep em coming. Cheers :D

Finnroo's Avatar Finnroo - Wed 25 Nov - 16:38

Hi BeerRay, great question ,but we need to post in the Forum so we can be notified about your question. Ill post it now for you, no worries. Go to forums. cheers.

BeerRay1986 - Sat 21 Nov - 12:44

Hi all does anyone had a set amount of priming sugar they use to bottling? i use online calculators and its always under carbed!!! cheers guys

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