What is the recommended stirring bar for Carousel 12 Plus?

For standard Carousel 12 Plus tubes, we recommend:
  • RR98091: Cross Shape Stirring Bar 16.5 mm RE (Pack of 20)
For reduced-volume Carousel 12 Plus tubes, we advise a smaller bar:
  • RR98075: Cross Shape Stirring Bar 10 mm (Pack of 40)