The Lazer Spray Pattern Indicator is simply a food grade blue dye and would be safe to use mixed with any other vegetable garden approved herbicide or insecticide you may need to use it with for application.
For Lazer Spray Pattern Indicator - Blue, you would use 1/2 oz. in every gallon of spray mixture. To achieve an even darker colored solution, you may add additional product per gallon of spray mixture.
