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Clipper Aquatic Herbicide Flumioxazin

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Clipper Herbicide by Alligare LLC is fomulated for the management of undesirable aquatic vegetation in slow moving or quiescent waters. Clipper is a fast acting contact herbicide for the control of submersed, emergent and floating aquatic weeds.

Target Pests

Clipper Herbicide is used for the control of alligator weed duckweed frog's-bit water fern water lettuce watermeal water pennywart filamentous algae coontail fanwort hydrilla hygrophila pondweed waterfern and other listed aquatic weeds.

For Use In

Clipper Herbicide is for use in bayous canals drainage ditches lakes marshes ponds and resevoirs.


For surface treatments of Clipper Herbicide apply at a rate of 6 to 12 ounces of formulated product per acre plus an adjuvant approved for aquatic usage.

For subsurface treatments of Clipper Herbicide apply at a rate of an initial concentration of 200 to 400 ppb (of active ingredient) in the water column.

Coverage Area

If Clipper Herbicide is applied at the high rate for surface application each 5 pound container will treat approximately 6.67 acres.

Time to Kill

Clipper Herbicide begins to kill target weeds 2 weeks after contact but can take up to several weeks for complete control all depending on treatment area and application.

Active Ingredient

Flumioxazin 51.0%

Clipper Aquatic Herbicide Flumioxazin

Clipper Herbicide: A Tough Weed Killer

Clipper Herbicide delivers speedy and selective control of tough invasive and nuisance aquatic plants such as cabomba, watermeal, Eurasian watermilfoil, water lettuce, duckweed, giant salvinia and more. Plus, Clipper dissipates quickly from the water column and does not accumulate in sediment. And, Clipper offers reduced PPE requirements with 51% WDG formulation for easier application and handling. 



  • Fast and selective control of tough invasive and nuisance plants
  • Dissipates quickly from the water column and does not accumulate in sediment, giving it a favorable environmental profile
  • 51% WDG means reduced personal protective equipment (PPE) requirements for ease of application, transport, and handling


Application Tips for Clipper Herbicide

Clipper is a contact herbicide that quickly breaks down in water. Good coverage and contact time is key to getting satisfying control results. Make applications of Clipper Herbicide with sufficient volume of water according to the label. When making applications to floating or emergent weeds, apply at 6 to 12 oz per acre and mix with an adjuvant approved for aquatic sites. For subsurface applications apply Clipper at 200 to 400 ppb in the water column. Please see label for information on the effects of high pH on plant response and efficacy.


Precautions and Restrictions To Keep In Mind When Using Clipper Herbicide

* No restrictions for swimming, drinking, or fishing.

* DO NOT apply to intertidal or estuarine areas.

* In areas with dense weed vegetation only treat 1/2 the water body at one time and wait 10-14 days before treating the remaining area. DO NOT re-treat the same section of water within 28 days of application.

* Treated water may not be used for irrigation purposes on food crops until at least five days after application.

* Treated water may be used for irrigation purposes on turf and landscape ornamentals as outlined in the Irrigation Restrictions Following Application table below.

* DO NOT use in water utilized for crawfish farming.

* DO NOT re-treat the same section of water with Clipper more than 6 times per year.

* DO NOT exceed 400 ppb of Clipper during any one application.


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Product Q & A

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Browse 5 questions Browse 5 questions and 8 answers
When is best time of year to apply Fluridone to 30acre lake to kill duckweed?
Lana W on Jul 4, 2018
BEST ANSWER: Summer I believe is best and early morning. I used it several years ago with great success. Go to the Texas A&M website and they have a lot of information....hope this helped, good luck
? Is that a gallon size container a 5 pound
Frank V on May 24, 2018
BEST ANSWER: I think so, it’s been a while since I used it. Works great. I mixed approximately 20 gallons and sprayed a 1/4 acre pond. Make sure you use a surfactant. I used allygare..
what adjuvant best for clipper?
A shopper on Mar 7, 2018
BEST ANSWER: Sorry I can’t remember the name of the surfactant, however I bought it at Solutions. The herbicide worked great. I have a 1/4 acre pond that was covered with green duckweed. Cleared it up in a few days. Go to the TAMU agrilife website and it will tell you what surfactant to use
Can clipper be used in pellet form?
James E on Sep 4, 2017
BEST ANSWER: Mixing Instructions
• Mix with water having pH of 5 to 7. If pH is higher than
7, use an appropriate buffer to reduce pH to desirable
• Fill clean spray tank 1/2 full of desired level with water
and add buffering agent if necessary.
• Add the required amount of Clipper Herbicide to the
spray tank while agitating.
• Fill spray tank to desired level with water. Ensure that
Clipper Herbicide is thoroughly mixed before making
applications. Agitation should continue until spray
solution has been applied.
• Mix only the amount of spray solution that can be
applied the day of mixing. Apply Clipper Herbicide
within 12 hours of mixing.
Does clipper control filamentous algae in a duck pond?
Thomas B on Aug 23, 2017
BEST ANSWER: Yes, Clipper will control filamentous algae in a pond and a long list of other issues.

Customer Reviews

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Death to pond weeds
We have been using Clipper Aquatic Herbicide to control coontail in our pond on the ranch for many years. It is the cheapest thing we could find that worked.
August 23, 2017
Death to pond weeds
We have been using Clipper Aquatic Herbicide for a long time in our pond. It is the best thing we have found to control filamentous algae.
August 23, 2017

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