Start protecting your internet experience today with 77% off a 3 year plan by using code NILERED at http://www.NordVPN.com/nilered ------------------------------------------ I made indigo in a previous video, but it was almost insoluble in water. So, what I'm going to do, is chemically modify it to make it soluble. This new dye is called indigo carmine, and it's commonly used in foods, in both Europe and North America. Nile talks about lab safety: https://youtu.be/ftACSEJ6DZA --------------