M metasyntactic Well-Known Member Joined Oct 10, 2012 Messages 71 Reaction score 2 Feb 24, 2013 #1 Should I just ramp it up and let it hit the stir bar, and if not, how vigorous should it be?
bratrules Well-Known Member Joined Oct 14, 2010 Messages 457 Reaction score 21 Location socal Feb 24, 2013 #2 Not very vigorous at all just enough to keep the yeast in suspension.
duboman Well-Known Member Joined Jul 13, 2011 Messages 6,365 Reaction score 517 Location Glenview Feb 24, 2013 #3 Too much can generate too much heat, just enough to keep the yeast suspended and pull some O2 in
Cyclman I Sell Koalas HBT Supporter Joined Jan 7, 2013 Messages 7,641 Reaction score 1,394 Location Aurora Feb 25, 2013 #4 It is a common error to want a big vortex, the commercials all show them, after all!
beergolf Well-Known Member Joined Jan 1, 2011 Messages 6,098 Reaction score 1,290 Location collingswood Feb 25, 2013 #5 Just a small dimple on the top is all you need.
Kaiser Well-Known Member Joined Nov 1, 2005 Messages 3,895 Reaction score 171 Location Pepperell, MA Feb 25, 2013 #6 I let it suck in some air. I want to see small bubbles of air being swirled around the starter. Kai