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> Fermaid-K and/or Fermaid-O only in a mead
DavidG
post Nov 9 2014, 07:37 PM
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So I understand that Fermaid-K has more DAP and provides more Nitrogen than Fermaid-O so it provides more YAN to the yeast.
I have read that Fermaid-O has about half the YAN but it has more micro nutrients and that it requires less to get the same nutrients to the must.
But I would also think that adding DAP and Fermaid-O would be about the same thing as Fermaid-K, correct?

I don't think it's wise to just add 2X more Fermaid-O than Fermaid-K so is there a good way to calculate how much Fermaid-O is required?
You still want to get to a good YAN (250?) but for that it would be about 48 grams of Fermaid-K or 96 grams of Fermaid-O, that's a lot in 5 gallons!

I add DAP and Fermaid-K now, but I want to try Fermaid-O to see how it performs and just looking for amounts.

Thanks,
DG
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DavidG
post Nov 16 2014, 01:11 PM
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Maybe another question that could stir some talking on nutrients: Is 250 PPM YAN even a good target for mead fermentations?
I've seen 150-350 mentioned for grape wines and I'd believe that they have way more Nitrogen than a honey wine.


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fatbloke
post Mar 10 2017, 11:18 AM
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https://www.homebrewersassociation.org/atta..._MasterMead.pdf

That's a handy link about nutrients etc in meads, you only have to look at the author to appreciate the credibility........
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