The application rate of Galleon SC Aquatic Herbicide will vary whether you are applying directly to bodies of water, treating submerged or floating weeds, applying for post emergent control of bank weeds, etc. Without knowing where and what you are treating it is difficult for us to advise on the best dilution rate. Please refer to Table 2 for bodies of water application rates and for foliar applicatoins, you will use use 2-5.6 ounces per acre (0.05 fl oz to 0.13 fl oz per gallon) for spot treatment of post emergent weeds, you will mi. Since Galleon SC Aquatic Herbicide has been currently discontinued from the manufacturer, we would recommend contacting SePRO directly for further instructions.