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Old 11-24-2011, 09:27 AM   #71
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Originally Posted by mabrungard
Its not the hardness, its the alkalinity. Is the alkalinity of your water high?

1 ml per gallon lactic acid is likely to have a taste impact in my experience. I seem to recall that the typical taste threshold for lactic acid is around 400 ppm.
Uhhhh... IF the taste threshold is indeed 400ppm, then 1ml/gal would actually fall short of that anyways.
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Old 11-24-2011, 11:17 AM   #72
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Uhhhh... IF the taste threshold is indeed 400ppm, then 1ml/gal would actually fall short of that anyways.
Excuse me, but English is not my native language, so I don't quite understand what you're trying to say?

Is 1 mg/gal too much or is it not?

What's the threshold in mg/gal?

thanks!
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Old 12-29-2011, 04:21 AM   #73
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Excuse me, but English is not my native language, so I don't quite understand what you're trying to say?

Is 1 mg/gal too much or is it not?

What's the threshold in mg/gal?

thanks!
I just read all 8 pages of this forum. I am a beginning water adjuster and recently tested the water where I will be moving my brewery.

I have the same issue as 400d. He began posting up in page 6 or 7.

I also find, from Brun I need to add 15 ml of lactic acid for a ten gallon batch. My total alkalinity is 259. Does this sound reasonable?

Thanks
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Old 12-29-2011, 02:40 PM   #74
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I also find, from Brun I need to add 15 ml of lactic acid for a ten gallon batch. My total alkalinity is 259. Does this sound reasonable?
259 ppm alkalinity is fairly high and the resulting acid dose is going to be large. That dose appears in line with my experience.

I suggest you test that acid addition at a scaled down volume and see if the water taste is not to your liking, say 1.5ml in 1 gal of water. If there is a undesirable taste impact, then I recommend you move to a more flavor neutral acid like Phosphoric acid.
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Old 03-16-2012, 01:09 AM   #75
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When entering the grains into the mash acidification section does smoked malt affect anything? Should I just enter them in as what they were before they were smoked?

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Old 03-16-2012, 01:44 AM   #76
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Smoking infuses phenols into the malt. I don't think that affects the acidity of the malt. But I don't know that for sure.

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Old 10-11-2013, 02:48 AM   #77
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Default Using "grain type" properly"?

Okay, so I am just spinning up on Bru'n Water, so this thread is very timely to me. Awesome tool - thank you Martin!

To get started, I thought I'd input the Centennial Blonde batch (first AG brew!) I just did last weekend and see how well it predicts the Mash pH I got.

Mash pH measured during brew session: 5.65
Bru'n Water predicted Mash pH: 5.7

So I'm pretty impressed - but not without some lingering questions ...

How can I easily figure out the "grain type" (for input to "Mash Acidification" worksheet) for each item on the grain bill? I scoured data sheets, searched vendor descriptions and made some guesses but I'm not convinced I'm 100% on.

Is there a specific criteria we can follow to easily determine the correct Grain type? If there were some kind of table of malt characteristics or something that would be a whole lot easier than guessing...

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Old 10-21-2013, 06:26 PM   #78
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Originally Posted by philipmeese View Post
How can I easily figure out the "grain type" (for input to "Mash Acidification" worksheet) for each item on the grain bill? I scoured data sheets, searched vendor descriptions and made some guesses but I'm not convinced I'm 100% on.

Is there a specific criteria we can follow to easily determine the correct Grain type? If there were some kind of table of malt characteristics or something that would be a whole lot easier than guessing...
Maybe you already figured this out, but if you roll over the 'Grain Type' column header on that particular spreadsheet, it will show a popup to tell you how to categorize your different grain types.
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Old 02-21-2014, 12:46 PM   #79
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Hey guys,

any help would be appreciated. Although i have asked for it, i'm not going to hold my breath on receiving a better water report (Service industry in the Netherlands is...lacking to say the least).

I do not have a readin for CaCO3 in my report. does that render the spreadsheet useless? what i have been able to find is
Calcium (Ca) 45.0
Magnesium (Mg) 6.3
Sodium (Na) 61.0
Potassium (K) 0.0
Iron (Fe) 0.0
181.0 Bicarbonate (HCO3)
0.0 Carbonate (CO3)
23.0 Sulfate (SO4)
0.0 Chloride (Cl)
3.4 Nitrate (NO3)

.. entered like this, I get the red flag:
Ion Balance Results
Total Cations (meq/L) 5.42 1.91 Cation/Anion Difference
Total Anions (meq/L) 3.50
Water Report is unbalanced. The Cation and Anion totals should be within 0.5 meq/L of each other

I use the following water report (most words are very similar, and for anything unclear you can do a quick google translate from Nederlands - English):
https://www.waternet.nl/media/634131...krt.kw0313.pdf

any ideas on what i might be doing wrong?

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Old 02-21-2014, 01:29 PM   #80
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Originally Posted by Brewhemoth View Post
Hey guys,

any help would be appreciated. Although i have asked for it, i'm not going to hold my breath on receiving a better water report (Service industry in the Netherlands is...lacking to say the least).

I do not have a readin for CaCO3 in my report. does that render the spreadsheet useless? what i have been able to find is
Calcium (Ca) 45.0
Magnesium (Mg) 6.3
Sodium (Na) 61.0
Potassium (K) 0.0
Iron (Fe) 0.0
181.0 Bicarbonate (HCO3)
0.0 Carbonate (CO3)
23.0 Sulfate (SO4)
0.0 Chloride (Cl)
3.4 Nitrate (NO3)

.. entered like this, I get the red flag:
Ion Balance Results
Total Cations (meq/L) 5.42 1.91 Cation/Anion Difference
Total Anions (meq/L) 3.50
Water Report is unbalanced. The Cation and Anion totals should be within 0.5 meq/L of each other

I use the following water report (most words are very similar, and for anything unclear you can do a quick google translate from Nederlands - English):
https://www.waternet.nl/media/634131...krt.kw0313.pdf

any ideas on what i might be doing wrong?
The average chloride content is 74 ppm, not 0. That brings the balance much closer. Be aware that using the averaged values from that summary is not likely to provide a perfect balance. However, I'd say that after correcting the chloride value, the report is good enough for use.

Enjoy!
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