David from Laurel, Ny writes
Drive XLR8 requires the use of a MSO as a surfactant while Speedzone has the surfactant
Speedzone EW Herbicide does not contain a surfactant in the formulation and is not recommended by the manufacturer. Since Drive XLR8 Herbicide Crabgrass Killer does require the use of the MSO surfactant, two separate applications would need to be done.
Answer last updated on: 08/30/2022