[hopfenundmalz]

White Labs Yeast Nutrient is used to increase the health of yeast, this improves fermentation and re-pitching performance. It contains diammonium phosphate (DAP), essential vitamins and co-factors, nitrogen, amino acids, proteins, peptides, and minerals. An effective boost for first and/or late-generation yeast slurry. If the grist is not 100% malt, then White Labs Yeast Nutrient can help make up for the lack of nutrients.


https://www.whitelabs.com/enzymes-nutrients-detail?id=4&type=ENZYMENUTRIENT

https://en.wikipedia.org/wiki/Diammonium_phosphate

 

DAP is used often in mead and wine making. Honey and grape must are deficient in FAN, Free Amino Nitrogen. Fermaid-K or Fermaid O are used for the other required nutrients.

https://www.homebrewersassociation.org/beyond-beer/improve-mead-staggered-nutrient-additions/

[denny]

White Labs Yeast Nutrient is used to increase the health of yeast, this improves fermentation and re-pitching performance. It contains diammonium phosphate (DAP), essential vitamins and co-factors, nitrogen, amino acids, proteins, peptides, and minerals. An effective boost for first and/or late-generation yeast slurry. If the grist is not 100% malt, then White Labs Yeast Nutrient can help make up for the lack of nutrients.


https://www.whitelabs.com/enzymes-nutrients-detail?id=4&type=ENZYMENUTRIENT

https://en.wikipedia.org/wiki/Diammonium_phosphate

 

DAP is used often in mead and wine making. Honey and grape must are deficient in FAN, Free Amino Nitrogen. Fermaid-K or Fermaid O are used for the other required nutrients.

https://www.homebrewersassociation.org/beyond-beer/improve-mead-staggered-nutrient-additions/

Remember the DAP debates on HBD 25 years ago?

[Fire Rooster]

Informative thread and input.
Was almost out of yeast nutrient anyway, ordered servomyces.
Debate settled in my mind, moving on.

Cheers