Broad Range Liquid Herbicide 8.53% Diaquat Gives broad range control of submerged, floating and emergent species of weeds It is mixed with Cutrine Plus in many cases for control of hard to kill species such as Duckweed and if algae is present simultaneously Available in a 1 Gallon container Optimum results are seen if weeds are young and actively growing As stated below in dosage instructions, if you are using to treat for floating weeds, duckweed or marginal weeds, a non-ionic surfactant, such as Pond Logic Treatment Booster Plus, is required Brief Summary of Recommended Dosage Rates (Always read and follow entire instructions): Submersed Weeds: Early Spring (weeds aren't at the surface): Pour directly from container into the water in strips 40 feet apart or dilute using 21 oz Weedtrine D per gallon of water and apply as a surface spray or underwater injection. Late Season (weeds are at the surface): Pour directly from container into the water in strips 20 feet apart or dilute using 42 oz Weedtrine D per gallon of water. Floating Weeds: Requires the use of a non-ionic surfactant, such as Pond Logic Treatment Booster Plus. Dilute using 2 oz of Weedtrine D per gallon of water. Add 1 ounce of Pond Logic Treatment Booster Plus per 10 gallons of your spray solution. 150 gallons (2.3 gallons of Weedtrine) of this solution will treat 1 acre. Duckweed: Requires the use of a non-ionic surfactant, such as Pond Logic Treatment Booster Plus. Dilute using 5 oz of Weedtrine D per gallon of water. Add 1 ounce of Pond Logic Treatment Booster Plus per 10 gallons of your spray solution. 130 gallons (5 gallons of Weedtrine) will treat 1 acre. Marginal Weeds: Requires the use of a non-ionic surfactant, such as Pond Logic Treatment Booster Plus. Dilute using 6.5 oz of Weedtrine D per gallon of water. Add 1.6 ounces of Pond Logic Treatment Booster Plus per 10 gallons of your spray solution. 130 gallons (5 gallons of Weedtrine) will treat 1 acre. Here is part of the dosage instructions to help you understand dosage rates. Full Weedtrine D product label can be read here. Always read and follow the product instructions carefully. Need to identify an aquatic weed? Check out this article on aquatic weed indentification.
