To start, the calculator enforces limits for Fermaid O (recommended for taste), Fermaid K (US legal limit), and DAP (US legal limit), in that order. This product from Scott Laboratories is a 100 percent organic nutrient. Here is an example staggered nutrient addition schedule that can be used for your standard 5-gallon batch of mead: Day 0: After re-hdyrating the yeast with Go-Ferm and pitching, add 4.5g of Fermaid-K and 2g Diammonium Phosphate (DAP) Day 1, 3, 5, 7, 8: Degas mead by gently stirring, twirling the carboy … The total amount of Fermaid O, Fermaid K, and DAP that will be added to your must are 1.7g, 1.9g, and 3.4g, respectively. 4%. Apparently, it is a little better for the yeast as it provides organic nitrogen (versus … Fermaid-K When I was making mead regularly, I used the hightest SNA method. I used it on all of my meads and have had great success even better than fermaid k/dap. I later saw a post about using SNA with fermaid-O rather than the -k, and it looked interesting. It provides 65 ppm of YAN per gram per liter of must; thus, 1 gram (0.3 oz) of Fermaid-O in 1 liter (1.06 qt) of must provides 65 ppm of YAN. The nutrients will be divided into 4 staggered nutrient additions. can give mead a burning sensation on the back of the throat – the “rocket fuel” sensation. It is an autolyzed yeast nutrient with a high content of organic nitrogen (amino acids). The first thing I realized in my reading is how little I know about Yeast Assimilable Nitrogen - but I am learning. It is best to add Fermaid O in two doses. To avoid mead eruption accidents, degas must and dissolve yeast nutrient doses in 1 cup must prior to adding to the … - posted in Wine, Mead, & Cider (WM&C): I first heard it mentioned on the BN and have done a little looking into it. I checked out the Amazon ad, one is Ferm-O and the other is Ferm-K. As far as fermaid O vs. K there are benefits to each as one is mostly organic with some DAP (K) and the other is only organic (O). I've made russ w.'s apple pie cyser, and looking to move on to some other recipes. Ferm-K has benefits that O has but also the DAP element, this allows yeast to hungrily digest the in-organic nitrogen and reproduce … Hey all, new meadmaker here. I won several ribbons for this mead. Anyone Use Fermaid-O? Autolyzed yeast nutrient without DAP Fermaid® O is certified organic by OMRI. One teaspoon of Add half the dose at the end of lag phase (at the onset of fermentation) and the It is formulated without DAP. There are also limits to how much Fermaid-K you can use in a mead if you go commercial; I've adhered to those limits just so I can say my mead is as good as what a commercial … Fermaid O is my choice for mead fermentation due to it being completely organic without the additional need to add DAP. If I were going to make mead now, I'd probably give the fermaid-o a try, or it is at least worth your time to do some research about it. You then switch to Fermaid-K and DAP to finish things off, with the option to add Fermaid-O later since DAP can't be utilized past ~9% ABV. Fermaid-O. 1g/L adds 40 PPM YAN. A blend of micronutrients and organic sources of nitrogen. I've got a decent block of Fermax, but I see many recipes that call for fermaid k. Could someone help me understand the difference? Fermaid O. Scott Labs states that while Fermaid O contains much less nitrogen, that due to its particular source, yeast can assimilate it much more efficiently, making the nitrogen content of Fermaid O the I prefer to use Fermaid-K (yeast energizer) and diammonium phosphate or DAP (yeast nutrient) for adding the additional nutrient requirements of the yeast during fermentation. It also has some other good micro-nutrients that yeast needs. 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