Making a simple yeast starter.

[Chipper Dave]

Getting ready for a homebrewing day begins a few days prior to the actual brew day. There is a lot of cleaning and sanitizing to do. There is also one task that you may want to do to help ensure a good fermentation later on, and that's making a yeast starter. It's simple, quick and will speed up the fermentation process. It can also help reduce the risk of other bacteria getting a foothold first in your wort.

(more of this article at Fermentedly Challenged.com)