Blue Marker Dye

Blue Marker is a spray colorant dye that helps indicates where you have applied a chemical spray and helps prevents overlapping of herbicides and spray fertilizers. Blue Marker Dye shows where you sprayed to help prevent over-spraying and shows where spraying has been missed.

• Works great with insecticide and fertilizers
• Helps avoids overlapping and skipping causing unwanted weeds and insects to thrive
• Washes off without staining, it is non-toxic and dissipates with sunlight
• Blue Marker Dye is a food grade pigment