Kills dandelions, clover, and other broadleaf weeds without harming your lawn. Rain-proof in 1 hour. Kills the root. Results in 24 hours. Ready-to-use; no mixing or measuring. Foaming action let's you easily see exactly where you've sprayed. Comfort wand features extended reach; easy application reduces hand fatigue. 1 pull gives a continuous spray equal to 31 trigger sprays. Active ingredients: 0.05% Dicamba, 0.12% 2,4-D, 0.22% MCPP. 1/2 gallon container treats approximately 500 weeds. 1.33 gallon.