Sure-Fire Crop Oil Plus is highly recommended as the surfactant or oil additive that must be used with Slay. Sure-Fire Crop Oil Plus is also highly recommended for use with Arrest Max to control perennial and mature grasses.FeaturesPremium concentrated highly refined seed oilEnhances the efficiency of herbicidesProvides rapid surface wetting and leaf penetrationSpecifically designed for food plots Contains an anti-foaming agent to help users correctly mix the spray solution.Sure-Fire Crop Oil Plus comes in a 1 pint container that treats 2 acres