I'm having a hard time justifying the purchase or a stir plate and Erlenmeyer flasks, but I'm still looking for ways to improve the cell count in my starters.
I'm an 'Intermittent Shaker' to use the term from the Mr. Malty calculator. I was thinking about adding a widget to my starter vessel ( a growler, normally) to help stir the yeast when shaking it.
Is anyone currently doing this? Have you noticed any improvement in the quality of your starters?
What sort of widget are you using? I immediately thought of a Guinness style ball, but I wonder if a flat widget (or just a stir bar) would work better.