Alcohol Inks - What You Need To Know Before You Start Using alcohol inks can be a fun way to use colors and create backgrounds for stamping or card making. You can also use alcohol inks in painting and to add color to different surfaces such as glass and metals. The brightness of the color means that a small bottle will go a long way. Alcohol inks are an acid-free, highly-pigmented, and fast drying medium to be used on non-porous surfaces. Mixing colors can create a vibrant marbled effect and the possibilities can only be limited by what you are willing to try. Read below to learn what supplies you will need for crafting with alcohol inks and other useful hints regarding these vibrant colors and mediums.