Mi-Glow Underwater 12 is red particles which are used in visible light, UV-A light and blue light, pre-mixed with a powdered Wetting Agent for use in underwater inspection. These particles have a range of sizing from fine to medium sized, allowing them to detect a broader range of discontinuities. Designed for use in a variety of underwater inspections, including offshore structural welds, pipeline inspection, ship husbandry and to enhance underwater photography.