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Q4® Turf Herbicide is a patented product containing four (4) active ingredients: Quinclorac + Sulfentrazone + 2,4-D + Dicamba. University data and cooperator tests have demonstrated consistently enhanced speed compared to other water-based products in controlling labeled weeds. Q4 is 'energized with sulfentrazone' for fast acting nutsedge suppression. And warm-weather broadleaf weeds will turn brown, dry up and blow away.