Urea isn’t dangerous on its own necessarily, but in the fermentation process, it can contribute to the production of Ethyl carbamate which is a carcinogen and in some studies has been shown to contribute to the growth of cancer cells.

This is a yeast nutrient, not a yeast. Max ABV would depend on the type of mash you are fermenting and the type of yeast you are using as well as temperature and pH etc. Adding this in the appropriate amount to your mash is optional, it is designed to improve yeast health, making a stronger fermentation, but is not required. I have used this with multiple different grains with good success.

Do i also need fermaid O or just k for making mead ?

Either will be a fine choice! Fermaid O is organic and has no DAP, while Fermaid K does have DAP. Both are yeast nutrient and will help you with your end goal!

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🍷 Elevate your homebrew game with Fermaid K—because your fermentation deserves the best!

EASY TO USE DOSING - Add at lag phase & after 1/3 sugar depletion for peak performance
PURE CLEAN FORMULA - No urea used—ensures natural, high-quality fermentation
VERSATILE FOR ALL HOMEBREWS - Perfect for wine, cider, mead, kombucha & more
OPTIMIZE FERMENTATION EVERY TIME - Reduces sluggish & stuck fermentations for flawless brews
SCIENTIFICALLY BALANCED NUTRIENTS - Combines DAP, amino acids & essential vitamins for yeast vitality

Fermaid K Yeast Nutrient (2 oz) is a premium, scientifically formulated blend of organic and inorganic nitrogen, essential vitamins, and inactivated yeast designed to optimize fermentation in wine, cider, mead, and kombucha. Manufactured by Lallemand and repackaged by CAPYBARA Distributors in Canada, it prevents stuck fermentations without using urea, ensuring a clean, efficient, and professional-grade homebrewing experience.

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Size	2 oz (56.7 g)
Number of pieces	1
Unit count	56.7 gram
UPC	628693605472
Manufacturer	CAPYBARA Distributors Inc.
Package Dimensions	15.1 x 9.9 x 1.2 cm; 56.7 g
Package Information	Bag
Country of origin	Canada

Fermaid K Yeast Nutrient - 2 oz (56.7 g) - Make Wine Cider Mead Kombucha At Home - Sold by CAPYBARA Distributors Inc.

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