Quinclorac 75 DF Selective Herbicide Equivalent to Drive 1 Lb.
Brand: Quali-Pro

Quinclorac 75 DF Herbicide is comparable to Drive XLR8 and is the best crabgrass killer available. Quinclorac is a post emergent crabgrass control product meaning you can spray it on actively growing crabgrass to stop growth and eventually kill it.

The maximum mix rate for Quinclorac is 0.367 ounce per gallon of water. That comes out to about 1.4 teaspoons of quinclorac per gallon.
Quinclorac 75%
Quinclorac is used to control crabgrass in bermuda and zoysia lawns. It can also be used on athletic fields, schools, commercial properties, landscapes, ornamental beds, and other turf grasses.