Lager Yeast That Doesn't Make Diacetyl (PRE-ORDER NOW)

[Bobby_M]

If anyone is interested, I'm getting a bunch of Homebrew Packs of Omega's Bayern DKO (OYL-433) so I'm offering it as preorder right now. Should be here by the end of August.

Bayern is an extremely versatile German lager strain that I and many of my local friends use on anything from Helles, German Pils, Vienna Lagers, Munich Dunkels, Doppelbocks, and more. 2nd place NHC German Pils this year was Bayern. Same brewer also took two back to back best of shows with a Vienna lager with the same.

Omega Yeast OYL-433 German ''Bayern'' Lager DKO (No Diacetyl Rest Needed)

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[Noob_Brewer]

Love the science Omega is doing overall. Curious if the enzyme they are saying is in this yeast to prevent Diacetyl production is ALDC which functions the same?

 

[Bobby_M]

Note that this yeast is now in stock and is no longer a pre-order. Shipping immediately. I'm not sure it's something we'll be able to regularly stock unless a moderate demand is maintained, but get it while it's VERY fresh.

 

[nickbarley]

Note that this yeast is now in stock and is no longer a pre-order. Shipping immediately. I'm not sure it's something we'll be able to regularly stock unless a moderate demand is maintained, but get it while it's VERY fresh.

I'm definitely intrigued. Have you tested the DKO and noticed any differences between that and the standard Bayern strain?

 

[Bobby_M]

No, I just got these in for the first time. My very next brew is going to be a split batch of Marzen that I think will be tested as follows:

1. Standard Bayern - Femented at 48F, D-rest at 60F at 20% remaining attenuation for one week, lager at 35F.
2. Standard Bayern - Fermented at 48F to terminal, Slow crash 5F/day. Lager at 35F.
3. Bayern DKO - Fermented at 48F to terminal, Slow crash 5F/day. Lager at 35F.

I would expect 1 and 3 to be good and 2 to have some diacetyl but at my normal (BIG) pitch rates on lagers, it may not be a particularly extreme difference.

 

[nickbarley]

No, I just got these in for the first time. My very next brew is going to be a split batch of Marzen that I think will be tested as follows:

1. Standard Bayern - Femented at 48F, D-rest at 60F at 20% remaining attenuation for one week, lager at 35F.
2. Standard Bayern - Fermented at 48F to terminal, Slow crash 5F/day. Lager at 35F.
3. Bayern DKO - Fermented at 48F to terminal, Slow crash 5F/day. Lager at 35F.

I would expect 1 and 3 to be good and 2 to have some diacetyl but at my normal (BIG) pitch rates on lagers, it may not be a particularly extreme difference.

Sounds like a solid plan. I just may have to order some because I am already a big fan of the standard pack.

 

[Brooothru]

Note that this yeast is now in stock and is no longer a pre-order. Shipping immediately. I'm not sure it's something we'll be able to regularly stock unless a moderate demand is maintained, but get it while it's VERY fresh.

on the service Bobby. I received my order almost the day you shipped it, which was very close to the manufacture date. The only downside was summertime shipping. Even with the ice pack, summer heat and USPS found a way to deliver it on the ‘warm’ side of ‘cool.’

Life events got in the way so I haven’t yet had the chance to brew with it yet. But I will make a viability starter in the next few days and build up a starter. Really looking forward to doing a split batch between the OLY “Bayern” and Augustiner in an upcoming Oktoberfest.

Thanks again for the quick turnaround.

 

[nickbarley]

No, I just got these in for the first time. My very next brew is going to be a split batch of Marzen that I think will be tested as follows:

1. Standard Bayern - Femented at 48F, D-rest at 60F at 20% remaining attenuation for one week, lager at 35F.
2. Standard Bayern - Fermented at 48F to terminal, Slow crash 5F/day. Lager at 35F.
3. Bayern DKO - Fermented at 48F to terminal, Slow crash 5F/day. Lager at 35F.

I would expect 1 and 3 to be good and 2 to have some diacetyl but at my normal (BIG) pitch rates on lagers, it may not be a particularly extreme difference.

Just received the Bayern DKO pack today, and the yeast was still cool to the touch! Can't wait to overbuild a starter and use this in a Helles.

 

[Brooothru]

Just received the Bayern DKO pack today, and the yeast was still cool to the touch! Can't wait to overbuild a starter and use this in a Helles.

Life keeps getting in the way. I still haven’t even stepped up a starter with mine. I’d hoped to have a Festbier lagering by now. Had a great Labor Day weekend though (except for J. Buffet passing). Hopefully something will be kegged by Thanksgiving. Keep us posted on your Bayern brew!

 

[Bobby_M]

I didn't use mine either but Marzen happening soon. Maybe Tuesday.

 

[nickbarley]

This starter took off yesterday just hours after pitching the yeast. And this morning has a nice krausen. No doubt this yeast is fresh and healthy!

 

[nickbarley]

Helles is currently fermenting at 52F and bubbling away.

 

[Brooothru]

Helles is currently fermenting at 52F and bubbling away.

That ought to be great. I still haven’t brewed what I want to get from a Helles. I know my grist is solid, so it’s gotta’ be the yeast. I’ve tried Auggie, Weihenstephaner, Ayinger, etc. They’re ’good’ but not great. Not giving up till I get it right.

 

[nickbarley]

That ought to be great. I still haven’t brewed what I want to get from a Helles. I know my grist is solid, so it’s gotta’ be the yeast. I’ve tried Auggie, Weihenstephaner, Ayinger, etc. They’re ’good’ but not great. Not giving up till I get it right.

I hope it's a great one! My grist was a bit off the beaten path and might actually fall into the Festbier territory... but, if it's maltier than expected, that's okay with me. Very curious to see how to yeast performs as well.

 

[easttex]

I'm in for a couple packs. Will pull the trigger this evening.

 

[Brooothru]

I hope it's a great one! My grist was a bit off the beaten path and might actually fall into the Festbier territory... but, if it's maltier than expected, that's okay with me. Very curious to see how to yeast performs as well.

I love all the German strains. Andechs is #1 on my list right now, but I’m really looking forward to brewing with the Bayern I got from @Bobby_M a few weeks ago. Missed out on brewing an Oktoberfest this year. Just ran out of time to do one. Might try a sticke beer for the Christmas festival season. Used to love the Winterfest in Frankfurt and glugwein.

Prost!

 

[nickbarley]

Well, after 6 days at 52, airlock activity has ceased. I'm going to give it 4-5 more days and then transfer to a keg. I don't even want to touch it until then.

 

[nickbarley]

Took a sample, and it fermented down to 1.008 from 1.046, about 82% attenuation. No sulfur or diacetyl detected. The sample is surprisingly clean for 12 days. I'm going to slow crash to 35F and then transfer to a keg for lagering.

 

[Bassman2003]

Thanks for the report. Let us know how it drops clear and the final verdict. The time I brewed with the normal version it seemed to clear quite well.

 

[Bobby_M]

I have my Marzen 3-way split fermenting now. Got it brewed on Friday.