Was going to do another 1 gallon test, but I think it's close enough to go to 5 gallons tomorrow:
.........
Do I need a stir-bar to start growing this yeast? I only ask because mine fell down the drain, and I'm too lazy to open the trap - who knows what scary things are in there...
Is it literally as easy as:
-make x amount of wort
-dump in an oz or 2 of beer
-wait x days
-make y amount of wort
-decant first batch and dump yeast in to new y wort
-lather, rinse, repeat
I just use yeastcalc for this, right? Never stepped-up yeast before as I just make 2L starters right from the get-go.
If HT has this resinous quality, I would say the sub-170F stand is critical to get that.
Boy, you almost did a 180 with this recipe in the past month, vegan. Let us know if the changes were for the better.
Check back on my results from the 1-gallon tester. I'd would consider changing your recipe to combine the BYO recipe and mine on the grain side. Can't say I'm 100% on the hops, your choice probably as good as any. Up to you if you want to trust the two of us and our sources and information on the grain bill and other info. I'd be interested in your recipe with the following parameters:
Target gravity 1.074-1.014
No oats, munich, wheat
SRM 5.7-5.9
On a side note just jumping in here again was away for past couple days and need to reread the Thread
Saw violently fermenting tanks on saturday @71 which were 72 today still blowing off into the collection tank
Crashing row was @55 on sat 48 on monday
IMO temps have a lot to do with conans esters. I just brewed a 3gal batch @64 and im getting absolutely no peach, or "conan" from it. My steep went pretty bad so its lacking that punch for a clone. Just disappointed in the yeast. I read in a earlier post someone mentioned that kimmich can tell the yeasts "generation" by smell and receives a new lab batch every 3 months, makes me think there on the end of this generation regarding my next concern...
Also picked up 2 cases and i have to say when i cracked the first one tnite i wasn't "blown away" like i usually am.
It had a slightly sweeter palate with a slight lingering tinge that i usually font get from heady.
I decided to take a refractometer sample and using 16.87 Brix as a SG i got 8.97 from the can.....1.014FG????
Not sure whats going on there. Seems pretty high considering we nailed it down at 1.010
Time for bed. Killer trip home, Hit me up for cans. ISO Dipas, piney/citrus black ipas, oak aged, big belgians, Firestone limiteds/barrelworks
If you go back a couple pages I made a post about the real target gravity being 1.014, I also changed the recipe recommendations on the front page to be 1.074-1.014 based on those findings and verification from John that 1.014 is indeed target gravity. Glad you could also add your findings.
Just to touch base again on the mash schedule...
Pearl Malt has a low diastatic power of only 58. That's less than half the diastatic power of American 2-row at 140-160. We tend to mash IPAs with a high % of American 2-row for only 60 minutes. But something with a heavy Pearl malt base seems that it would require more like a 90-120 minute mash, with more beta amylase focus in the upper 140s (F) for full conversion and good fermentability.
It is possible and sensible that the mash schedule is more like 147 F for 60 minutes for the Beta-Rest, then 155 F for another 40 minutes for the Sach-Rest.
I will check the FG tonight - what do I do, just fill the hydro sample cylinder and leave it in the fridge overnight to let it go flat?
Wouldn't leaving liquid uncovered, especially in a dry atmosphere, result in some evaporation? This would skew the results, and give you a denser solution, since only H20 would be evaporating. It's no wonder why some of you are getting a higher FG than reported if you followed these processes to degas.
Remember, our FG samples we take from our fermenters have a decent amount of CO2 in them -- usually around .8-1vol. So having some co2 in solution is ok.
I've never noticed any issues with Pearl. Not sure what issue there is when we can get 1.070-1.006 with this malt setup. I contacted Thomas Fawcett a while back to get their Kolbach index number for pearl and was told it is 40%-44%. Kolbach index between 36% and 42% is considered a malt that is highly modified and suitable for single infusion mashing. Back in 2010 I believe, the Pearl malt changed due to weather conditions in England and John had to address the increased haze. He did some tests and found that a beta-glucanase breaking enzyme + pearl was the best option. He doesn't say if he went with that on commercial batches or if he continues to use the enzyme now that Pearl malt has returned to normal levels.
If John was doing a rest, not sure why he would have talked about being concerned with the beta-glucanase levels. He says he adds an enzyme to break up the beta-glucanse enzymes. If he was already doing a rest, why would he add the enzyme? Beta-glucanase is broken down between 98-140, optimally 113. Now it's possible that John decided not to add the enzyme to future batches and adopted a step mash, or he could have gone back to normal with no enzyme and no beta-glucanase rest.
Also, on the Lintner thing, a malt with enough power to self-convert has a diastatic power near 35 °Lintner, at 58, Pearl is well above that level, even though it is much lower than 2-row. British Pale Malts are typically 40-70 °L, so Pearl is above average there.
Drink fresh seems to be a pretty universal statement from all these breweries making highly hopped ipas these days. I don't find Heady loses hop aroma any faster than other beers of similar style.
Interested to see you FG results. I have tested aged Heady and 4-day-old fresh Heady, both were 1.014. Plus we know that's his target FG. The last FG test publicly posted was a 1.010 over a year ago on beeradvocate forums. If that reading was true, which I think it was, the recipe has changed. Wonder when it happened and the reason. The beer has changed over the last year. It is clearer now too. Could be the increased capacity changed some things, or ingredients changed.
I'm wondering if the recipe isn't tweaked regularly to account for hops availability, crop, grain crop, etc. It'd make sense for a brewery this size (small) to be adjusting recipe often enough.
Ehhh. I bet as much as they produce, they can atleast get some contracts in for grain and hops. He isn't using anything so far off the reservation that it's in rare form. He's using hops that, other than Simcoe, pretty much are hops that can be bought easy enough, especially in bulk, and early, and being a professional brew house.
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