PULVERIZE WEEK KILLER FOR LAWNS 32 OZ RTU USES THE ACTIVE INGREDIENT IRON TO SELECTIVELY CONTROL/SUPRESS BROADLEAF WEEDS GROWING IN LAWS WITHOUT KILLING THE GRASS. EFFECTIVE AGAINST BLACK MEDIC, BULL THISTLE, CREEPING BUTTERCUP, DANDELION, ENGLISH DAISY, MOSS, SPEEDWELL, WHITE CLOVER, AND OTHER COMMON WEEDS. DOGS, PETS, & PEOPLE CAM ENTER THE AREA AFTER THE PRODUCT HAS DRIED. WORKS FAST EVEN IN COLD WEATHER AND RESULTS WILL BE SEEN IN HOURS.