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Hey guys i have uses 34/70 several times and have never had a problem... the packet says dosage of 1 packet to 10-15L. I have however only uses 1 per 23L batch. Anybody ever encounter problems with using one packet?

Proper pitching rates for those dry lager yeasts is 2 packets per 5-6 gallon batch.

I've used 1 pack in the past... mixed results. If you use the proper amount you'll have less problems and make better beer.

Other details matter too, such as fermentation temp. If you're not using lager temps then 1 pack will get going fast enough... don't know how good the final product will be though.

I'd go with 2. I've used one in the past and didn't turn out quite right.


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Rob I've never had an issue that I recall...but I often mix an S23 and a 34/70... beer always comes out nice...I do lager it though...

Here is a good reference for yeast pitching

https://www.brewersfriend.com/yeast-pit ... alculator/

I use 34/70 a lot. I’ve gotten sulphur issues from one packet and a cold ferment. I’ve also had it work fine. when pitching just one packet you are hoping it hasn’t been mishandled anywhere along the line. But the reality is, it likely has been stored warm or even hot for extended periods of time in transport, warehousing, and in the retail shop.

Thanks everyone!