Post
by unclepumble » Tue Jan 04, 2011 7:16 am
Yeast is yeast, a single celled fungi.
Its the strains that are different not the core fungi, therefore the nutritional requirements are the same for them all, unless you subject them to something outside their usual habitat, in that case they will mutate eventually and show a preference for their new habitat\substance you are feeding them on (such as large amounts of white sugar instead of grain sugars).
The most benificial nutrient is zinc, as its always in short supply, zinc thickens the yeast cell walls and helps contain off flavours and esters created inside the yeast cell, inside the yeast cell, this gives you a cleaner beer.
Youngs yeast nutrient from wilkos works ok, as does old dried brewers yeast chucked in the wort for the last 10 mins of the boil.
UP