Mi-Glow® 418 is Mi-Glow® 800 and Mi-Glow® 920 fluorescent yellow-green particles premixed with powdered Wetting Agent 34 for use in water media. Mi-Glow® 418 is designed to be used in a darkened inspection area or in a dual response environment using a combination of visible and UV-A light. Refer to specific lighting requirements detailed in Technical Bulletin 284.