Dye Tracer Cake Dye Type Water Tracing Dye Color Yellow/Green Form Wax Container Size 1.25 oz Coverage 240 gal (Strong Visual) 2 400 gal (Light Visual) Dissolution Time 1 hr Detectability less than 100 ppb NSF Certified Yes Fluorescent Yes Application Lake and Pond Leak Detection Power Plant Piping Sea Markers Flow Mapping Time and Travel Studies Tracing Studies Standards ANSI NSF