Dye Tracer Tablet, Fl Red, PK200 Price For: Each Standards: Certified NSF60 Safe For Use in Drinking Water Concentration @ 1 PPM: 60 gal./Tablet Dissolves: 3 to 6 min. Size: 200 Tablets Item: Dye Tracer Tablet Color: Fluorescent Red Application: 0 to 50, 000 gal. Country of Origin (subject to change): United States