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Old 05-08-2014, 11:28 PM   #11
JustLooking
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You're gonna disagree that 1.25 lbs per qrt. is wrong?
Never said that a mash ratio of 1.25 qts/lb was wrong. I said your statement that, "The mash thickness of 1.25 qts / lb is needed for correct PH and maximum conversion efficiency." is wrong. I said that you should have a pH that would convert you starches with any ratio from 1 to 2 qts/lb, but that it depends on your starting water chemistry. And that a thinner ratio can give you better conversion efficiency.

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Really? 1:1 mash sparge is made up?
I also asked for a link to someone else using the term "1:1 mash sparge." I've never heard it used before and would like see it used in another context.

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this is taken from the Deenybrew
I'm pretty certain that Denny would agree that in the example you could just as well mash in with 4.5 gallons for a mash thickness of 1.8 qts/lb and get two runnings of 3.5 gallons and maybe get better mash efficiency. Denny, are you listening? What do you think?
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Old 05-08-2014, 11:36 PM   #12
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And how did pH enter this discussion? It has absolutely nothing to do with whether or not two equal runnings will maximize efficiency
Hey Speedy. Two equal runnings would only be a problem if it gave you a mash ratio of much over 2 qts/lb. At that point you may or may not have a problem with pH that would effect conversion. Checking the pH would be the only way to tell. It depends on your water and if you adjusted it for the thinner mash thickness before starting.
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Old 05-09-2014, 12:05 AM   #13
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Hey Speedy. Two equal runnings would only be a problem if it gave you a mash ratio of much over 2 qts/lb. At that point you may or may not have a problem with pH that would effect conversion. Checking the pH would be the only way to tell. I depends on your water and if you adjusted it for the thinner mash thickness before starting.
Yeah, my point was pH is like temperature- you have a target and you adjust it if needed. So here you set your water plan and if it calls for acidifying your mash and/or sparge water, then you do it. You don't set up your water plan based on pH targets.


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Old 05-09-2014, 12:40 AM   #14
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Yep. We're on the same page.

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Old 05-09-2014, 12:29 PM   #15
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I understand the concept of adding more after mash to get half the amount. Does anyone actually know the benefit to doing equal parts? If it's only for efficiency then I don't really care because I'm getting 73% as is. Is there another benefit to doing it that way?

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Old 05-09-2014, 01:52 PM   #16
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I understand the concept of adding more after mash to get half the amount. Does anyone actually know the benefit to doing equal parts? If it's only for efficiency then I don't really care because I'm getting 73% as is. Is there another benefit to doing it that way?
If you're space-limited, then topping up your MLT before draining your runnings means that you might only have to sparge one more time because it can all fit. Otherwise, there is no incredible benefit to equal volume runnings.

I would recommend you decide on a process that you like; that works for your system; that produces the outcome you expect; and roll with it. The your process work around you, not the other way around.
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