ORTHO GroundClaer Super Concentrate Weed Killer 32 ozBrand: Ortho Features: The dual action formula of Ortho GroundClear Weed & Grass Killer Super Concentrate1 kills even the toughest types of weeds and grasses by working on contact for fast results while moving down to the roots Weeds start to wilt within hours and completely die in 1 2 weeks; this quick kill formula that is rainfast 15 minutes after it's applied This product starts to work on contact as it is absorbed into the plant and works through