Blazon Green Spray Pattern Indicator (Non-Staining) - 1 Gallon Patented Non-Staining -&gt; Easy clean up! For turf use with backpacks use 1 oz/gallon; Boom sprayer use 12-16 per 50 gallons. High visibility green color -&gt; real time visual feedback of application quality. Green Tracker Dye for use on golf greens, and other high profile sport turf areas. Non-ionic -&gt; no interference with pesticide efficacy.