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	FORUM ON BEER, HOMEBREWING, AND RELATED ISSUES
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Contents:
  RE: Pitching Yeast (IT)" <stjones@eastman.com>


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Date: Wed, 20 Jan 2010 08:19:56 -0500
From: "Jones, Steve (IT)" <stjones at eastman.com>
Subject: RE: Pitching Yeast

Some good info from Don on pitching rates.

I had not heard of George Fix's recommended rate of 750,000 cells per ml
per degree plato ... but had read several times a recommended rate of
1,000,000 cells per ml per degree plato, 33% more than Dr. Fix recommends.

The 1m rate makes it really easy to figure out how many cells you need. 
Just take the right part of the OG without the decimal place, and multiply
times the number of gallons. Take the original question of the rate for 1 
gallon of a 1.053 ale: By the calculation it would be
1,000,000 * 3786 * 13.25 = 50,164,500 cells; by the simple formula it 
would be 53,000,000 ... close enough.

OG times gallons = # cells to pitch (double it for lagers)


Steve Jones
State of Franklin Homebrewers
Beer Judge Certification Program
American Homebrewers Association




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