Sterilize the tools by washing and drying them thoroughly. Soak them in sterilization liquid, such as sterilizing alcohol for 1 minute. Wear a paper mask and gloves.
Mix 7/8 quart of vodka, 1 tbsp. of glycerine and 1 tbsp. of propylene glycol until the mixture is clear.
Add 1 to 2 inches of powdered pigment and stir in enough liquid from Step 2 to create a slurry in a blender or jar that fits on a blender,
Blend the slurry on a low speed for about 15 minutes, then on a medium speed for an hour. If you are using a jar that fits on a blender, release pressure buildup every 15 minutes.
Pour the ink through a funnel into ink bottles or use a baster to siphon the ink into the ink bottles. Also add a sterile marble or glass bead into each bottle to help with mixing.