If you are serious about yeast health, a good stir plate is one of the best upgrades you can make. This magnetic stir plate is built with homebrewers in mind and includes a handy probe holder so you can keep a temperature probe right in the starter while it spins.

The adjustable speed control lets you dial in a gentle vortex for smaller starters or push a bit harder for larger volumes without throwing the bar. That constant motion helps pull oxygen into the wort, keeps nutrients in suspension and encourages strong cell growth, which means cleaner fermentation and fewer stalled batches.

The sturdy platform handles standard flasks used for homebrewing, and the probe holder keeps your hands free while you watch temperature instead of chasing cables. Pair it with your favourite lab flask, some yeast nutrient and fresh wort and you are set for reliable pitch rates on brew day.