Science, Tech, Math › Science How to Make Prussian Blue Ink Share Flipboard Email Print Martin Barraud / Getty Images Science Chemistry Projects & Experiments Basics Chemical Laws Molecules Periodic Table Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry In Everyday Life Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate By Anne Marie Helmenstine, Ph.D. Chemistry Expert Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. our editorial process Facebook Facebook Twitter Twitter Anne Marie Helmenstine, Ph.D. Updated March 16, 2017 You can prepare your own blue ink. This blue ink recipe is very easy and produces a beautiful blue ink for writing, drawing, or crafts. Blue Ink Ingredients Prussian Blue pigment (sold as a pigment or sometimes as laundry bluing)water Prepare Blue Ink It's extremely easy! Mix the pigment into the water to achieve a rich blue ink. Unless you happen to have a calligraphy pen, the easiest way to use these inks is with a homemade quill or a paintbrush.