Wyeast Catalogue

Wyeast Pitching Rate Calculator

Posted by Neil Bamford, September 2nd, 2010 | 0 Comments

Wyeast’s Pitch Rate and Growth Calculator is a tool for planning a propagation scheme to achieve proper cell counts in the fermenter. This calculator will calculate for 1 or 2 step propagations. For more information on propagations, visit the Making a Starter” section of this site.

The Wyeast Activator (125 ml) smack-pack is designed to directly inoculate 5 gallons of standard ale wort (O.G. < 1.060, 65-72°F). When brewing high gravity beer (O.G. >1.060) or cold fermented lagers or ales (<65°F)) additional yeast will be required. An Activator contains approximately 100 billion cells which will deliver slightly less than 6 million cells per milliliter in a 5 gallon batch of beer.

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