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penguin5b
09-07-2013, 11:52 AM
I made a 3 gallon batch with 12 lbs of honey about 2 weeks ago. I noticed early on that the bubbling was rather slow and subdued compared too past batches I've made. Today I was inventorying my supplies when I came across my yeast nutrient and energizer. It suddenly hit me that I had forgotten to add it while making the batch. In a panic, I added both to the bucket and stirred gently. It foamed immediately and a replaced the lid.

So,
A. Is jt too late for nutrient to do any good?
B. Did I just ruin my batch by adding it so late?

Thanks to all.

fatbloke
09-07-2013, 11:58 AM
I made a 3 gallon batch with 12 lbs of honey about 2 weeks ago. I noticed early on that the bubbling was rather slow and subdued compared too past batches I've made. Today I was inventorying my supplies when I came across my yeast nutrient and energizer. It suddenly hit me that I had forgotten to add it while making the batch. In a panic, I added both to the bucket and stirred gently. It foamed immediately and a replaced the lid.

So,
A. Is jt too late for nutrient to do any good?
B. Did I just ruin my batch by adding it so late?

Thanks to all.
A, dunno, B, no probably not.

With nutrients etc, especially inorganic nitrogen like DAP and FermaidK, it's thought that it's only taken up properly by the yeast in about the first 1/3rd of the fermentation, while if it's organic nitrogen like from FermaidO, boiled bread yeast, yeast hulls/ghosts, etc, then it's taken up through much more of the fermentation period.

There's probably some sciencey research stuff around that explains it exactly as to why that is....

Which is generally why, if fermentation is being a pain and needs "management" of some sort, that we seem to recommend FermaidO, boiled bread yeast, yeast hulls etc.

If you didn't add any to your brew at all, it may be that it's not 1/3rd of the way through yet. You'd have to have taken start gravity readings and a current one to know that......