Monterey Mark-It Blue Insect Killer can be used with all types of equipment. Spray solution blue colorant indicates where you have applied a chemical spray. Works great with Remuda and other herbicides as well as liquid fertilizers and insecticides. Avoid skips and overlapping. Washes off without staining. Non-toxic. Dissipates with sunlight. Application rate: apply 1/2-1oz. in 1 gallon of spray solution.