How to Make Fluorescein from Highlighter Markers

This video demonstrates how to extract the chemical fluorescein from highlighter markers using no other chemical besides common rubbing alcohol. As is demonstrated in the video, fluorescein is spectacular to watch dissolve into water, especially under black light. If you’d like to support my channel you can do so by checking out and signing up for a free trial to view their awesome tutorial videos! (I earn a commission from the affiliate link when you do, so it’s much apprec