Dye Tracer Liquid, Dye Type Water Tracing Dye, Color Blue, Form Liquid, Container Size 1 gal, Coverage 12,500 gal (Strong Visual), 125,000 gal (Light Visual), Dissolution Time Immediate, Detectability less than 100 ppb, NSF Certified Yes, Fluorescent No, Application Dilution, Dispersion Rate Studies, Flow, Fluorometric Dye Test, Pipeline Hydro Testing, Recommended When Metering of Input is Required, Septic Inspections, Sewer Lines, Short Circuiting, Trace Cross Connections, Standards ANSI; NSF