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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > lactic acid on acid malt
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Old 10-16-2013, 07:58 PM   #1
inda_bebe
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Default lactic acid on acid malt

My LHBS is out of acidulated malt and I need some. All I have right now is lactic acid. How much lactic acid in tsp or cc is in 1 lb of acid malt? I needed 2 lbs.

And do I put that amount into the mash or boil?

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Old 10-16-2013, 08:07 PM   #2
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I found somewhere that its .11ml of 88% lactic acid per lb of malt

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Old 10-16-2013, 08:36 PM   #3
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Based on googling, acid malt is about 3%, by weight, lactic acid. So, a pound would have 453.6 *.03 grams of pure lactic acid. The SG of 88% lactic acid solution is apparently about 1.21, so (453.6 *.03 / .88) * 1.21 ~= 18.711ml lactic acid (88% w/w)

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Old 10-16-2013, 08:37 PM   #4
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Why do you need so much acid malt? Are you doing 20 gallon batches?

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Old 10-16-2013, 09:54 PM   #5
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im giving it some sourness to a saison. used it on my last batch and it was great. the homebrew shop is out at the moment

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