Glows in the dark ink Glow Inc. made of class 0 strontium aluminate pigments in a resistant acrylic medium with high adhesion. Two pounds of premium pigment per gallon of medium provides the most intense shine in a dark ink. The ink that glows in the dark absorbs the bright light as energy. When ink glows in the dark, it releases that energy in the form of a glow. You can repeat this cycle millions of times. When used correctly, ink that glows in the dark loses 5% of its brightness every 10 years. Any light will carry the ink. Direct sunlight, high power lamps or black light are required to obtain maximum light output. Glow-in-the-dark paint is often used in professional photo wallpapers and to paint glow-in-the-dark stars on ceilings. Its durability also makes it ideal for painting glow-in-the-dark fishing lures and outdoor signboards. Each color has a different brightness and duration of brightness. Green V10 is the brightest and will shine all night. Glow Purple does not shine very brightly and requires a high power charge source. Check the brightness rating for comparison. No stamps are required. Paint over white surfaces, if possible. It is very important that you apply this paint that is at least 1/16 inch (4 ounces per square foot) thick to obtain an adequate shine and an elegant appearance. Glow in the dark paint is supplied ready to use with a standard brush or roller. Dilute with acrylic thinner or a little water. Wash with soap and water. We do not recommend the application of our dyes that glow in the dark on the skin or hair. For the brightest professional stars, put ink on a baby feeding syringe. Press the plunger to expel tiny 1/16 inch shiny cones. Diameter of dark ink. Use 2 ounces of green paint that glows in the dark V10 for a typical room, preferably a white ceiling. Also draw additional stars at the top of the walls.