Malt Mill Gap

Discuss and share tips & techniques for all grain and partial mash brewing.
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Reignman
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Malt Mill Gap

Post #1 by Reignman » 2 months ago

I used Bohemian Pils malt for the first time in a few years. My efficiency was only 73% instead of my usual 82%. Should I adjust my gap in my mill next time? I am still using the default setting, I think it is .32? I am still using my Valley Mill which is 15 years old.
Dee Envy
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Re: Malt Mill Gap

Post #2 by Dee Envy » 2 months ago

.32?!! That's 320 thousands of an inch!
Must be a typo. Lol
I have mine set at .032". It is fine and I have no problems with efficiency.
My method is Biab. No double grind.
If you are using three vessel brewing though, I can't help you.
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Reignman
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Re: Malt Mill Gap

Post #3 by Reignman » 2 months ago

Yes, I have 3 vessels. I noticed when I used my battery drill there was not the usual drag on the gun. Maybe the grain was smaller or I hope not stale. Got it from OBK and I think they have a high turn over of grain.
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brhenrio
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Re: Malt Mill Gap

Post #4 by brhenrio » 2 months ago

Pick up a cheap feeler gauge and check your gap. Likely has worn out and your gap is a little bigger than it used to be. I would start there. How long did you mash? Boh pils i have had to go longer than 60 minutes to get full conversion.
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Reignman
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Re: Malt Mill Gap

Post #5 by Reignman » 2 months ago

60 min. I thought you don't have to mash for 90 min anymore.
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Reignman
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Re: Malt Mill Gap

Post #6 by Reignman » 2 months ago

Or is that the boil? I certainly could of mashed 90 min, just never thought about it.
Dee Envy
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Re: Malt Mill Gap

Post #7 by Dee Envy » 2 months ago

I mash and boil for 90 min. Always get close if not right on the numbers.
I agree with checking the grinder gap.
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hawkbox
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Re: Malt Mill Gap

Post #8 by hawkbox » 2 months ago

I use a Corona mill and it's basically flour when I finish so I can't be useful with that.

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