Methylene Blue for Be Careful - It Stains Surfaces!
Lis (Ny, Ny, Usa) on 10/13/2010:
When diluting this, set up protective material underneath. MB stains! I rubbed vitamin C and water paste in the measuring glass and spills on the sink and counter and on my hands to get it out. If only I had a chemistry background to do a more pro job diluting it ;p
