Charlotte from Gulfport, Ms writes
Ranger Pro Herbicide is not labeled for use inside of ponds. We would recommend using Diquat Water Weed and Landscape Herbicide. If you are doing a spot treatment, the mixing ratio is 0.75 fl. oz. per gallon of water. Be sure to use a surfactant with this product as well.
Answer last updated on: 06/09/2016