Trouble with lager yeast

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Trouble with lager yeast

Postby Diggerg » Sat Jul 02, 2016 07:51

Can anyone advise on a lager yeast that floculates and compacts well in bottles. I'm struggling with my 3rd lager and its the same problem. I just can't seem to get good compaction in the bottle resulting in fluffy sediment with even the slightest movement. Tried finings and cold crashing but nothing. I used. w34/70.

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Re: Trouble with lager yeast

Postby Aleman » Sat Jul 02, 2016 08:03

WLP380

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Re: Trouble with lager yeast

Postby Theakston Tickler » Sat Jul 02, 2016 08:09

Aleman wrote:WLP380


Do you mean WLP830 rather than WLP380 as that one is a Weizen yeast? My experience of WLP830 is that it drops pretty well.
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Re: Trouble with lager yeast

Postby Aleman » Sat Jul 02, 2016 08:11

Yes sorry 830 . . . Autocorrect on the phone :oops:

please note:The use of punctuation, bold, underlining, italics, and different sized type, follows the convention used in writing, for many years, to place emphasis on the point being made, and to highlight the importance of that point in the opinion of the author. It is not the intention of the author to shout, if that was the case the author would adopt the, much more recent, convention of using all capital letters.
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Re: Trouble with lager yeast

Postby Diggerg » Mon Jul 04, 2016 18:33

Ok looked at them. I use dried as I don't have a stir plate/time/patience to do a starter. Would a wyeast smack pack equivalent do? I only brew 12ltr batches. Has anyone used bry97?

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Re: Trouble with lager yeast

Postby pittsy » Mon Jul 04, 2016 19:28

wyeast smack packs are fine , for the amount think twice the usual amount for fermenting at 12/15c but any lower temp like 10c would need 3 times the usual amount for an ale .
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Re: Trouble with lager yeast

Postby Diggerg » Mon Jul 04, 2016 20:13

Thanks pittsy. I guess smack packs are usually for 23ish ltrs so 1 in my 12ltr should be fine?

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Re: Trouble with lager yeast

Postby pittsy » Mon Jul 04, 2016 20:26

if fresh it may have 100 billion cells , but if a few months old probably around 75 billion cells but a 23 litre batch would want around 350/400 billion so to be honest you'd need to make a starter with your pack , around 2 litre with 180 g dme would be ideal .
Just remembered your first bit about starters , then you need an extra smack pack .
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Re: Trouble with lager yeast

Postby rpt » Tue Jul 05, 2016 13:31

I don't brew many lagers so have always used Saflager S-23. I use a single rehydrated packet in 23L. Start at 20C for first 24 hours, then 12C. No problem with it packing down in the bottles.

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Re: Trouble with lager yeast

Postby serum » Tue Jul 05, 2016 20:20

Doing a starter is easy when you get into it and will get you some better flavours. You'll find you get more freedom to make whatever style you want.

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Re: Trouble with lager yeast

Postby HTH1975 » Tue Jul 05, 2016 21:59

Since I started pitching LOTS of yeast my beers have improved markedly. I just use an online calculator. A 2 litre starter I'd normally fine with one smack pack per 12 litres. For 23 litre batch, a bigger starter would be better (5 litre). I just use a demijohn.

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Re: Trouble with lager yeast

Postby rpt » Wed Jul 06, 2016 18:09

A 5L starter won't contain much more yeast than a 2L unless you step it.

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Re: Trouble with lager yeast

Postby HTH1975 » Wed Jul 06, 2016 19:51

rpt wrote:A 5L starter won't contain much more yeast than a 2L unless you step it.


According to Brewers Friend yeast starter calculator it does.

2016: 330L brewed (72 gallons, over 8 firkins)
2017: 105L brewed (need to update this figure)
Drinking: Landlord clone
Conditioning: ciders from 2016, hedgerow barrolo, 1914 Courage RIS (10%).
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Re: Trouble with lager yeast

Postby rpt » Wed Jul 06, 2016 21:06

Now that I've looked at the yeast book I can see that a single vial in a 2L starter will grow to 200 million cells and in a 5L starter 300 million cells. So the difference is more than I thought but it's only 50% more for 2.5 times the starter.

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