How to Make Prussian Blue Ink

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 Its 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.