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jtp137

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Of so I am picky about my crush that is why I have my own mill I picked up some pils malt for a bohemian pils er at my lhbs like I always do for some reason he crushed it when I never asked him to do it. It looks like he ram it through a blender i am afraid of tannin extraction should I just brew a no sparge batch of 5 gallons or should I continue with my original plan of 15 gallons? I always monitor my ph amd make water adjustments will I be ok with tannin extraction if I fly sparge and keep the ph at 5.2? Or should I scale the recipe and do a 5 gallon no sparge which I frequently do for test batches

View attachment ImageUploadedByHome Brew1469063838.411996.jpg
 
Of so I am picky about my crush that is why I have my own mill I picked up some pils malt for a bohemian pils er at my lhbs like I always do for some reason he crushed it when I never asked him to do it. It looks like he ram it through a blender i am afraid of tannin extraction should I just brew a no sparge batch of 5 gallons or should I continue with my original plan of 15 gallons? I always monitor my ph amd make water adjustments will I be ok with tannin extraction if I fly sparge and keep the ph at 5.2? Or should I scale the recipe and do a 5 gallon no sparge which I frequently do for test batches

View attachment 362933

you should use all your 15 gallon grain bill for a no sparge of 5 gallons, yes
 
The crush isn't ideal, but it's not daywrecking. Really the only thing you need to worry about with a crush like that is lautering and a higher efficiency. You might get some more husk bits in the kettle and lauter might be a tad slower with husks that mangled.

Shredded husks and tannin extraction aren't directly correlated, and are really a myth from the earlier days of homebrewing when things like pH were all but unknown. Mash pH has the biggest impact on tannin extraction. Shredded husks just give more surface area in the event of out of spec pH and thus more tannins. As long as your water is on point, you'll be just fine.

I say go for it! :mug:
 
Of so I am picky about my crush that is why I have my own mill I picked up some pils malt for a bohemian pils er at my lhbs like I always do for some reason he crushed it when I never asked him to do it. It looks like he ram it through a blender i am afraid of tannin extraction should I just brew a no sparge batch of 5 gallons or should I continue with my original plan of 15 gallons? I always monitor my ph amd make water adjustments will I be ok with tannin extraction if I fly sparge and keep the ph at 5.2? Or should I scale the recipe and do a 5 gallon no sparge which I frequently do for test batches

View attachment 362933


That crush looks great! I wouldn't worry about tannin extraction either...brew as normal!
 
Shredded husks don't cause tannin extraction. High pH plus high temperature does. The shredded husks may give you lautering problems, so I would throw a bunch of rice hulls in the mash to keep your grain bed "fluffy."

Brew on :mug:

The crush isn't ideal, but it's not daywrecking. Really the only thing you need to worry about with a crush like that is lautering and a higher efficiency. You might get some more husk bits in the kettle and lauter might be a tad slower with husks that mangled.

Shredded husks and tannin extraction aren't directly correlated, and are really a myth from the earlier days of homebrewing when things like pH were all but unknown. Mash pH has the biggest impact on tannin extraction. Shredded husks just give more surface area in the event of out of spec pH and thus more tannins. As long as your water is on point, you'll be just fine.

I say go for it! :mug:

What they said. Shredded husks doesn't increase tannins unless you already have the conditions to extract them (pH, temperature, and gravity).

Shredding the husks CAN increase other polyphenols from the grains that can have other problems.

However, like everyone else has said, your crush doesn't look problematic to me. I prefer to crush much finer than that. I wouldn't be worried about any problems other than perhaps a slight efficiency change just because the crush is different than what you normally use.
 
I usually have the LHBS crush mine and then I do it again when I get home, I don't fear tannins and I likes loose crush!!!
 
I don't think I've heard of this. What issues would those polyphenols cause? Haze? Flavors? Just curious.

Haze is definitely one of big issues (grain polyphenols in balance bind with protein to remove it and promote clarity, ie hot and cold break, but too much polyphenol lends a permanent haze). But unwanted grainy/husky character is another one (that I often associate with tannin, but I've certainly experienced independent of tannin). And then I don't have a reference in front of me and don't remember specifics, but general "phenolic" off-flavors are possible, and excessive polyphenols interacting with other compounds is surely an issue as well (but again don't recall specifics).
 
Tannin extraction is actually quite difficult to achieve in a home brewing setting. It usually won't happen at pH and temperature levels reached with home brewing.

Almost all BIAB brewers will crush much finer than that and they don't get tannins.
 
totally agree with everyone else. If you want, throw I a brew bag/cheese cloth and roll on. A lot of times my crush looks the same and I get wonderful results. Extra measure when carbing--add gelatin in the keg and roll. that stuff will fall right out.
 
Honestly, just package that up and send it to me, I will dispose of it for you. Get some new grains.
 
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