http://www.craftbrewer.com.au/shop/details.asp?PID=951Yeast Nutrient (90gm) $7.50
Also in 450gm packs for $24.90. To order just select 5 items.
A blend of nutrients formulated to increase yeast activity,
so that attenuation can be reached more rapidly
DESCRIPTION
A blend of yeast nutrients formulated to increase yeast activity during fermentation, so that attenuation can be reached more rapidly and the fermentation cycle shortened. This shortening of the lag phase can help to reduce off-flavours in beer that are due to bacteriological contamination. Yeast Food can cause a reduction in the final gravity by invigorating the yeast and enabling it to give a more complete fermentation. This can reduce the diacetyl content in the finished beer.
The blend contains nutrients and minerals which include:
Zinc
Phosphorous
Potassium
Manganese.
PROPERTIES
Form Free flowing, hygroscopic powder
Colour Light Tan
Solubility Completely miscible in water
pH A 5% solution will have a pH of 7.0-9.0
APPROVAL FOR USE IN BREWING
The ingredients contained in Yeast Food are approved for use in brewing and are listed in the United States Brewers Association, Inc. publication, “Adjunct Reference Manual”.