Cattails are a very common problem for ponds and lakes. Catt Plex is a glyphosate based herbicide that eliminates shore and emerged pond weeds to the root. It can also be an effective turf solution for controlling over 1000 troublesome grasses and broadleaf weeds. Kills cattails, water lilies and other shore/emerged aquatic weeds to the root. Works with turf, eliminating unwanted grasses and broadleaf weeds 100% safe for humans, fish, livestock, pets, birds, swimming, consumption and irrigation. Consists of 53.8% glyphosate Mix 2oz per gallon to make 1 1/2 % solution.