Taylor Speed Stir 9265Taylor Speed Stir 9265 Taylor's SpeedStir portable magnetic stirrer is intended for use with Taylor's 9198 Sample Tube (Included). This number is visible on the side of the tube. Color Contrast is provided by the white mixing platform of the SpeedStir. Wherever a drop count titration test instruction says to swirl the water sample manually, you can use the SpeedStir instead. The magnetic stirrer's action will thoroughly incorporate each addition of