NORLAB LP-16-BLUE
Liquid Powder Tracing Dye is a safe, non-toxic, biodegradable & water-soluble concentrated liquid dye. Disperses immediately in water for low, moderate or large water-volume applications. Liquid Powder is packaged in a 1LB bottle with a flip top spout, for fast, easy & clean application. Fluorescent Yellow Green is the easiest color to detect in dark areas. Fluorescent Red is a very good contrast color. Examine leaks & water movement in a multitude of systems, sewer maintenance, downspout cross-connections, septic system inspections, flow time & circulation studies, pollution studies.
Dosage
Approximately 1 oz per 375 gallons (clear). 1 oz per 200 gallons (solids).
Note: due to many variables (amount of water, visible light, rate of flow, distance traveled, concentration of solids, user preference, etc.) additional dye might be required for a stronger visual detection.