Weedtrine® D is a professional-grade, diquat-based aquatic herbicide designed to tackle stubborn growth in your waterbody. It’s effective against submerged weeds like pondweed and coontail, floating plants such as duckweed, and emergent shoreline species. Just mix it with water, spray it on, and you’ll see visible results in a short time.
This formula disperses easily in water and complements standard sprayers, offering a straightforward treatment process. When dealing with weeds above the surface, combine with a non-ionic surfactant to improve efficacy.
Made for flexibility, Weedtrine® D is perfect for smaller ponds, ditches, irrigation channels, and defined shorelines. Please be aware that water use restrictions—especially for irrigation, livestock, or swimming—apply according to label instructions.
Broad-spectrum action: Targets submersed, floating, and emergent weeds including duckweed, bladderwort, cattail, and more
Fast-acting: Shows visible weed damage in just a few days post-application
Easy-to-use: Ready-to-mix with water and suitable for hand-held sprayers
Non-volatile formula for safer application near water
Enhance performance: Highly effective when paired with surfactants like SePRO MSO or Cutrine® Plus for tough weeds
Wide applicability: Use it in ponds, lakes, ditches, canals, and reservoirs; suitable for both DIY enthusiasts and professionals
When to Use
Apply during active weed growth—typically in spring, summer, or fall
How Much?
One gallon can treat approximately ½ acre of weed coverage or about 4,000 sq ft of submerged and 8,000–10,000 sq ft of floating/emergent weeds
Best Practices
Always add water to your sprayer first, then the herbicide to prevent damage
For weeds above the surface, use a non-ionic surfactant to improve uptake
Avoid treating dense weed areas all at once—apply in sections (up to 1/2 the area) and wait about 14 days before retreating to prevent oxygen drop from decaying plants
Water Use Restrictions
Treated water should not be used for irrigation, livestock, or swimming until it meets safety thresholds—typically a 5-day waiting period or until an approved assay confirms safe levels
Legal Notes
Product availability and permitted usage may vary by state—some states restrict sale or usage, so check current regulations before use
Aquashade® is a professional-grade, EPA-registered pond dye that blocks sunlight to
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