After 5 years of brewing i am going to attempt my first lager. My favourite lager is Brooklyn's Vienna lager so seems a good place to start. ive a Few questions for those seasoned lager brewers out there
1) Do I have to worry about hot side aeration?
2) dry yeast v Liquid. does it matter i'm happy to use either.
3) i can also ferment under pressure but am unsure weather to do so - is there a compromise in doing so flavour wise?
Recipe here
https://byo.com/recipe/brooklyn-brewery-brooklyn-lager-clone/
Any advice from those with experience greatly appreciated.
Lagers aren't as difficult as you might think. Extra patience with them helps though. Lager yeasts will often throw diacetyl and sulfur earlier in fermentation, which often last for about 3-4 weeks average, then disappear without any special actions needed from the brewer, all that is really needed is patience. And I purposely say "often", because it's NOT "always" with either the sulfur or the diacetyl. Sometimes/often, not always. Specific responses:
1) It is helpful to take reasonable attempts to limit hot side aeration. However, jury is still out from person to person as to whether extreme precautions, a.k.a., LODO, is actually super beneficial. Personally, I honestly really just am not sure. Run some experiments yourself if you are interested.
2) I have made excellent lagers with Diamond, S-189, and W-34/70. However if I want the best lagers possible, I'll still reach for 2206 or WLP833 on occasion. The liquid yeasts still have a little edge on the dried versions. But it's not a wide margin. These dried yeasts are great.
3) Pressure fermentation is a nice fad right now. I'm not at all convinced that it's important, as I have tasted dozens of excellent lagers fermented at standard pressure.
By the way... for several batches now, I've been fermenting lagers near room temperature, with great results, very clean and really no off-flavors compared against cold ferments. I am questioning whether cold fermentation is truly necessary at all. More experiments are needed to confirm... which I will happily consume.
Cheers.