Greasing and Degreasing Ground Glass Joints

[@ljubomirculibrk4097]

Rare and well made video. Thanks for your work.

[@SciDOCMBC]

You don't grease a connection over the entire length, because otherwise grease usually gets into the piston and contaminates the product. Only grease the top 2/3 of the connection. Also, it's not a very smart idea to use a neurotoxic solvent like n-hexane without a fume hood.