Stir plate.... How Fast

[Double-R]

Look but cant seem to find it...
I guess slow, just when you see a vortex.
You think

 

[drhookmec]

Lowest setting, Just enough to keep the yeast suspended.

 

[kh54s10]

Look but cant seem to find it...
I guess slow, just when you see a vortex.
You think

You Got It! Perfect!

 

[Sulli]

Why not fast?

 

[itsme6582]

A vortex as small as a dimple is fast enough. Although, you can crank it up as high as you want. Just make sure the bar doesn't get thrown.

 

[Sulli]

Is this too fast?

[ame=http://www.youtube.com/watch?v=h1RJEmZafaE]DIY stirplate - YouTube[/ame]

 

[kh54s10]

Is this too fast?

DYI stirplate - YouTube

If I ran mine that fast the stirbar would be at the side of the flask - NO vortex.

 

[Sulli]

Yea, but look at all that air/oxygen being pulled into solution. I would think that the yeast would love it, no?

 

[Stauffbier]

From what I've read, fast speeds can beat up on the yeast and damage them... I always run mine at the slowest speed, and I always get good starters..

 

[iaefebs]

Slowest speed? fastest speed? what does this mean? I run mine at an average bellybutton depth for a vortex. If you have a bellybutton outie consult a friend.

 

[Stauffbier]

I've also read that maintaining a vortex isn't really necessary as long as the yeast are stirring and stay in suspension.. I'm not sure if that is true. My stir plate pretty much makes a vortex even on low speed, though.

 

[Sulli]

From what I've read, fast speeds can beat up on the yeast and damage them... I always run mine at the slowest speed, and I always get good starters..

How do you tell the difference between a good starter and a bad starter?

 

[Stauffbier]

Perhaps the term "good starter" is a bad way to put it. What I mean to say is, my starters always propagate plenty of yeast in a very short period of time...