Neodynium Rare Earth Button Magnet

If you would like to make your own stir plate you can use use a small computer fan and the one of these magnets to make a magnetic stirrer. Using a magnetic stirrer is easy and will optimise the growth of your yeast starter in the conical erlenmeyer flasks. These button magnets are neodymium with high level of magnetic flux. They are 8mm diameter and 6mm thick. Note: These are sold as individual units