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Harpoon® Aquatic Herbicide

1 of 2 products in this brand
Harpoon® Aquatic Herbicide is a chelated copper formulation that controls copper sensitive aquatic plants. No irrigation restrictions means this product is great for areas where excessive weed growth interferes with irrigation.

Functions: Chelating Agent, Herbicide

Chemical Family: Copper Salts, Copper-based Compounds

Herbicide Target Species: Aquatics

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Agrochemical Functions
Technologies
Active Ingredients
COPPER –ETHYLENEDIAMINE COMPLEX* (CAS #13426-91-0) 23%
OTHER INGREDIENTS 77%
TOTAL 100.0%

*Metallic copper equivalent, 8.0% One gallon contains 0.80 pounds of elemental copper.

Features & Benefits

Product Information

Pre-Treatment Considerations (All labeled sites): Permits: Some states may require permits for the application of this product to public waters. Check with your local authorities. Water treated with this product can be used as a source of human and animal drinking water after further potable water treatment. Areas treated with this product may be used for fishing and swimming immediately after treatment.

For optimum results:

  • This product should be applied early in the day under bright or sunny conditions when plants are actively growing and water temperatures are at least 60°F (15.5°C).
  • Treat when growth first begins to appear or create a nuisance, if possible.
  • Apply in a manner that will ensure even distribution of chemical within the treatment area.
  • Reduced activity may occur in murky/shaded waters or where silt and/or scale has built up on plant leaf surfaces.

Algae growth and around target plants may interfere with uptake of this product. Pretreat these areas with Cutrine® Plus (EPA Reg. No. 8959-10) or other EPA registered algaecides. Do not exceed 1.0 ppm of total copper when using this product and Cutrine® Plus.

Advantages
  • Ideal for sites, like golf courses, where water use cannot be restricted
  • Controls listed species of the Hydrocharitaceae family including Hydrilla, Egeria (Brazilian Elodea), Naiads, and Elodea
  • Also effective on Coontail, Water Lettuce, Water Hyacinth, Giant Salvinia, Common Salvinia, Myriophyllum spp., and members of the Potamogetonaceae family.
  • Available in liquid and granular formulation

Applications & Uses

Herbicide Target Species
Directions for Use

It is a violation of Federal law to use this product in a manner inconsistent with its labeling.

Storage & Handling

User Safety Requirements

Users should wash hands before eating, drinking, chewing gum, using tobacco, or using the toilet. User should remove clothing/PPE immediately if pesticide gets inside. Then wash thoroughly and put on clean clothing. Users should remove PPE immediately after handling this product. As soon as possible, wash thoroughly and change into clean clothing

Storage & Disposal

Do not contaminate water, food or feed by storage or disposal. Open dumping is prohibited.

PESTICIDE STORAGE

Keep container closed when not in use. Keep pesticide in original container. Do not put concentrate or dilute into food or drink containers. Do not reuse or refill container. Do not contaminate feed, feedstuffs, or drinking water. Do not store or transport near feed or food.

PESTICIDE DISPOSAL

Pesticide wastes are acutely hazardous. Improper disposal of excess pesticide, spray mixture, or rinsate is a violation of Federal Law. If these wastes cannot be disposed of by use according to label instructions, contact your State Pesticide or Environmental Control Agency, or the Hazardous Waste representative at the nearest EPA Regional office for guidance.