Application for large areas just got easier. Simply attach this product your garden hose, turn on the water and use your thumb to activate the sprayer. Use this tip when finished spraying: turn off the hose, then turn the sprayer on once more to relieve the water pressure before detaching. Plus, it kills foxtail, sandbur, Japanese stiltgrass, barnyard grass, panicum and other listed weeds. Exclusive formula kills listed lawn weeds, plus crabgrass to the root in one easy step. Treats 5,000 square feet, making it ideal for large areas.