Monterey 16oz Mark-It Blue Dye

Monterey® Mark-It Blue - 1 pt. - is a spray solution blue colorant that indicates where you have applied a chemical spray. Very helpful in the application of herbicides, fertilizers and insecticides. This solution helps avoid skips and overlapping, just mix with the spray solution. Mark-It Blue washes off without staining, non-toxic, dissipates with sunlight.