Mi-Glow® 600 red particles premixed with powdered Wetting Agent 34 for use in water media, packaged in 80 gram dissolvable PVA bags. Each bag is formulated to treat 5 liters (1.32 gallons) of water. It is designed to be used with visible light for detecting discontinuities found in structural fabrications and weldments. Higher particle concentration provides heavier indication buildup for easy detection. Mi-Glow® 634 magpac™ can be further enhanced when used with a UV-A light or blue light.