Spray Colourant 
A dye which is added to a pesticide solution in a spray tank to help show where a pesticide has been sprayed, aiming to reduce misapplication and increase efficiency of the spraying operation.
Spray Colourant
A dye which is added to a pesticide solution in a spray tank to help show where a pesticide has been sprayed, aiming to reduce misapplication and increase efficiency of the spraying operation.