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Messages - ynotbrusum

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421
General Homebrew Discussion / Re: first brew since april
« on: July 18, 2015, 06:19:19 AM »
I haven't brewed in two weeks and it seems like an eternity.... Gotta clean some kegs to empty some fermenters, then back at it next week....

422
Yeast and Fermentation / Re: Accidental lacto infection; help needed
« on: July 16, 2015, 11:15:52 AM »
Thanks everyone! So I operate a single line kegerator, can I run my sour on it and then run a keg of star san water through it afterward or should I plan on bottling the sour batch?

And remember that Star San doesn't preclude cleaning - it is only for sanitizing an already clean item.  I would suggest PBW or BLC or a good soaking in a product that cleans, before rinsing and sanitizing with Star San.

423
Yeast and Fermentation / Re: 2 or 3 Packs Dry Yeast for Lager
« on: July 16, 2015, 11:12:51 AM »
Congrats!  I hope your beer does well in the competition.

I never responded to the points above about Brulosopher, but I readily acknowledge the Narziss source and did not mean to imply that Marshall came up with it...but he has recently advocated for it.

And, truth be told, there are lager Brewers winning awards with the old school way of pitching warm and slowly dropping to fermentation temp upon visible signs of fermentation appearing.  So YMMV for sure.

What has me convinced in terms of a relatively newer thought  (to my understanding, at least) is Mark's view about pitching highest vitality yeast, rather than quiescent yeast.  That is probably another old school thought, too, but I had not heard about it before.

To the OP - be very sanitary when repitching yeasts.  Many suggest avoiding it entirely in the warmer months due to the level of airborne contaminants...but again YMMV.

424
Yeast and Fermentation / Re: Accidental lacto infection; help needed
« on: July 16, 2015, 04:36:41 AM »
I've never had a problem with the keg being contaminated - just a good soaking in PBW for the rubber parts and poppets did the trick.  But the serving line and Covra tap is permanently dedicated as "sour only" and the word sour is written on it with permanent marker to avoid confusion.  And rather than worrying, I did the same labeling on my souring buckets.

425
General Homebrew Discussion / Re: AHA TV
« on: July 16, 2015, 04:29:35 AM »
Agreed.  Nice and short, too!  Well done AHA.

426
General Homebrew Discussion / Re: Fast ipa
« on: July 13, 2015, 11:40:53 AM »
I would try to time the starter to pitch it at high krausen or close to it.  That has worked well for me lately...I just pitched a 1L starter that was only about 5 hours old in a Hefeweizen and fermented it at 62F.  I had to go with a blowoff tube after a few hours - this could be the quickest high krausen I have seen at 62F.  It's only one data point, but it confirms well enough for me what Mark is saying about yeast vitality being key to good starts, rather than merely cell numbers.

427
Yeast and Fermentation / Re: Lacto. Frustrations
« on: July 13, 2015, 11:07:25 AM »
I can confirm the Omega blend works fast.  I used it at 85F and it took 10 gallons of Berliner wort from 4.3 to 2.9 pH in 18 hours.  I made a 1500 ml starter 6 days earlier and held it at 85F right up to the point of pitching it.  I boiled it for 90 minutes and pitched a healthy starter of 1056 then fermented it at 63F.  I will be racking to keg this weekend and tasting it - I expect to need blending on this one....

428
Yeast and Fermentation / Re: Lacto. Starter
« on: July 13, 2015, 04:50:49 AM »
Hey, Jim - since "flocs sediment faster than individual cells" as Mark said, I doubt that you will find a quick sedimenting, but low flocculant yeast strain.  I have found that some low flocculant yeasts can be coaxed into sedimenting by chilling the finished beer, so there are ways to get brighter beer quicker even though you are using an otherwise low flocculant strain.  And there is always fining....

429
General Homebrew Discussion / Re: Brew day visitor
« on: July 12, 2015, 08:20:53 PM »
I'd be hard pressed not to harvest venison...  I appreciate the close ties, but around here we harvest the critters.  When in season, of course.

430
General Homebrew Discussion / Re: Sour
« on: July 12, 2015, 04:51:27 AM »
I think the Gose style would be a good entry to sours.  Depending on your locale, there are several pretty good ones being made.  My first Gose was from Westbrook outside of Charleston, SC.  Very tart and nicely salted.  Six Points Jammer is another commercial example.  Most American versions are not crazy sour, so those would be worth a start - and like Jim says, "don't think of it as beer".  As you move toward funky stuff, you find that blending is the way to go with many of these beers, because there is a wildness to them that makes things difficult to control or measure.  pH is helpful, but I had a Berliner go from 4.3 to 2.9 in less than 24 hours.  That one will be blended for the sake of tooth enamel preservation.....

431
General Homebrew Discussion / Re: Nasty Off-Flavor
« on: July 12, 2015, 04:40:56 AM »
The low pH should inhibit bacteria, but won't necessarily prevent it from taking hold.  Also, mold can be an issue - this year is particularly wet in my area (Northern Illinois), so the mold counts are way high.  We don't brew in totally aseptic conditions, especially in the summer when airborne contaminants are rampant.  Try your best to limit contact of the wort and beer to air exposure in the transfer processes.  Bacteria and many other nasties love oxygen and at the point of packaging, oxygen is not your friend.  Kegging works great in this regard, because you can start with a keg that has been CO2 charged for a blanket of CO2 and then rack to the bottom of the keg to protect the transferring beer somewhat.  If bottling - try bottling off the keg and purging each bottle with CO2 before filling with beer.  Coupled with meticulous sanitation, you will likely avoid significant problems.  Last thought - were you re pitching yeast from a prior batch?  The same issues are present relative to re-using yeast and limiting exposure to the airborne contaminants when harvesting, storing and re-pitching.

432
Yeast and Fermentation / Re: pH tolerance for Yeasts
« on: July 08, 2015, 12:27:25 PM »
I skipped the CaCO3 and the large starter got it going, though, as mentioned, it was sluggish.  It is well on its way at this point (day 4), so I will draw a sample for measurement and taste this weekend, most likely....expecting sour to the point of blending required.  I have a blonde that is finishing and it will be the blending batch.

433
Yeast and Fermentation / Re: pH tolerance for Yeasts
« on: July 04, 2015, 08:04:47 AM »
Thanks for the input - so add carbonate (I have calcium carbonate) at the end of the boil so it doesn't precipitate out?  Any idea of how much to start with the addition (I don't want to overshoot and lose acidity above 3.5). 

I have something that says 5/8 teaspoon per gallon lowers acidity .15%, but that may not be a reliable reference (it's just printed on the packet from the LHBS)....Glad that some guys are checking the forum on a holiday!

434
Yeast and Fermentation / Re: Pedio for barrel aging
« on: July 04, 2015, 07:36:08 AM »
This may sound unacceptable, but perhaps adding a bit of lactic acid 88% might work well enough (add to a sample until accepted level is reached and then extrapolate from there?)

I just don't know if there are enough fermentables left at 1.007 to justify a pedio pitch at this point - the Roesalare should have it in there already - time is the other thing you could do - give it more?

435
Yeast and Fermentation / pH tolerance for Yeasts
« on: July 04, 2015, 06:59:12 AM »
Is there a reference material that any one can point to relative to yeast tolerances to pH?  I pitched a lacto tri-blend from Omega that overnight went 4.3 pH to 2.9! (Image and used a lacto starter).  I have thirteen gallons going into a boil and expect to have 11.5 or so gallons of Berliner weisse wort to pitch a one gallon starter of 1056 into and I am wondering if it can tolerate the low pH?  Worst case, I will pitch a Brett Vrai later, if it doesn't ferment out with the saccharomyces.

I will be scouring American Sour Beer and Yeast, but I thought I'd ask hear.

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