Top 10 Best Duckweed Killer

of November 2024
1
Best ChoiceBest Choice
Crystal Blue Tsunami DQ Aquatic Herbicide- Quart - 37.3 Percent Diquat
Crystal Blue
Crystal Blue
10
Exceptional
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2
Best ValueBest Value
Crystal Blue Tsunami DQ Aquatic Herbicide- Gallon - 37.3 Percent Diquat
Crystal Blue
Crystal Blue
9.9
Exceptional
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3
Diquat E-PRO Aquatic Herbicide Equivalent to Reward-1 Gallon
Diquat E-PRO
Diquat E-PRO
9.8
Exceptional
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4
Sonar RTU Ready-to-Use, 1 Quart
SePRO
SePRO
9.7
Exceptional
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5
Weedtrine D Aquatic Herbicide, 1 gal
APPLIED BIOCHEMISTS
APPLIED BIOCHEMISTS
9.6
Exceptional
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6
Airmax Ultra Pondweed Defense Aquatic Herbicide, 1 Quart (32 Ounce)
Airmax
Airmax
9.5
Excellent
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7
Semera 51.0% WDG Aquatic Herbicide (1 lb) by Atticus  Controls Duckweed &
Atticus
Atticus
9.4
Excellent
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8
Bonide Captain Jack's Deadweed Brew, 128 oz Concentrate for All Types of Weeds
Bonide
Bonide
9.3
Excellent
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9
Cutrine-Plus Algaecide, 1 gal
APPLIED BIOCHEMISTS
APPLIED BIOCHEMISTS
9.2
Excellent
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10
The Pond Guy ClearVac Pond Vacuum, Powerful Motor Quickly Removes Sludge &
The Pond Guy
The Pond Guy
9.1
Excellent
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About Duckweed Killer

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Crystal Blue Tsunami DQ Aquatic Herbicide- Quart - 37.3 Percent Diquat Dibromide Concentrated Aquatic Weed Killer for Lakes and Ponds - Duckweed, Watermeal, Curly Leaf, Pondweed & Many More

Diquat formula kills surface and submerged weeds that are copper resistant. Effective in controlling hard to kill weeds like duckweed. Consists of 37.3 diquat dibromide. 2-8 quarts per surface acre depending on infestation type of weed for aquatics. Use Plex Mate to enhance effects when treating floating marginal weeds.

Crystal Blue Tsunami DQ Aquatic Herbicide- Gallon - 37.3 Percent Diquat Dibromide - Concentrated Aquatic Weed Killer for Lakes and Ponds - Duckweed, Watermeal, Curly Leaf, Pondweed & Many More

Diquat formula kills surface and submerged weeds that are copper resistant. Effective in controlling hard to kill weeds like duckweed. Consists of 37.3 diquat dibromide. 2-8 quarts per surface acre depending on infestation type of weed for aquatics. Use Plex Mate to enhance effects when treating floating marginal weeds.

Diquat E-PRO Aquatic Herbicide Equivalent to Reward-1 Gallon

Diquat Dibromide 37.3. Diquat Herbicide is for weedalgae control in and around ponds, lakes, commercial greenhouses and nurseries, landscapes, industrial land, recreational land, residential lawns, and public areas.. Diquat should be mixed at a rate of 1 gallon per surface acre 4' depth or mixed at 32ounces per 100 gallons when spraying as a commercial weed killer..

Sonar RTU Ready-to-Use, 1 Quart

No Mixing, No Spray Equipment, No Boat Needed.. Easy to use formulation allows you to just pop the bottle open and pour directly into the waterbody. Perfect for the Do-It-Yourselfer. No Drinking, Swimming, or Fishing Restrictions. Cannot be shipped to AK, CT, HI, ME, NJ, NY, WA or Canada. Orders placed from these states will be cancelled..

Weedtrine D Aquatic Herbicide, 1 gal

BENEFITS Weedtrine D Aquatic Herbicide controls submersed, floating and emergent weeds including duckweed. USE Ideal for a broad range of weeds commonly found in ponds, pools, fountains and other water sources. COMPATIBILITY Water use is restricted for irrigation, drinking animal or human and swimming. FEATURES Quickly dilutes in water Easy-spray application Non-volatile herbicide A surfactant is necessary when using this product with any weed on or above the water surface. INCLUDES One 1-gal container of Weedtrine D Aquatic Herbicide from Applied Biochemists. Cannot be shipped to AK, CT, HI, ME, NJ, NY, WA or Canada. Orders placed from these states will be cancelled..

Airmax Ultra Pondweed Defense Aquatic Herbicide, 1 Quart (32 Ounce)

Controls Aquatic Weeds. Cannot be shipped to AK, AZ, CA, CT, DC, HI, ME, NJ, NY, PR, RI, VT, WA and Canada. Contact Herbicide. Controls Submerged Pond Weeds. Fast Acting Results. 1 Quart Treats Up To 5,000 Sq Ft.

Semera 51.0% WDG Aquatic Herbicide (1 lb) by Atticus Controls Duckweed & Unwanted Submerged & Floating Vegetation - Flumioxazin 51%

THE PRO CHOICE FOR SEASON-LONG WEED CONTROL Semera 51.0 WDG contains 51 flumioxazin the same active ingredient as SureGuard, the herbicide professionals trust for season-long weed control.. AQUATIC WEED CONTROL Semera 51.0 WDG is a fast-acting contact herbicide that controls selected submersed, emergent and floating aquatic weeds. Controls Duckweed, Alligator Weed, Coontail, Frog's-bit, Hydrilla, Pondweed, Water Fern, Water Lettuce, Watermilfoil. VERSATILE HERBICIDE FOR MANY USES Hold down grassy and broadleaf weeds with this versatile solution for landscape, golf course, and nursery settings including aquatic, bare ground, woody landscape ornamentals, container- or field-grown trees, and crack and crevice areas. Semera 51.0 WDG is also an excellent option for Poa control in dormant Bermudagrass. Refer to the product label for complete use and application information.. SIX-MONTH WEED CONTROL WITH ONE SPRAY Make easy work of weed control with hard-working Semera 51.0 WDG. One application works all season to catch many broadleaf and grassy weeds before they emerge.. GAIN APPLICATION FLEXIBILITY WITH PRE- AND POST-EMERGE CONTROL Application timing can be hard to fine tune thats why Semera 51.0 WDG offers timing forgiveness. Although designed for powerful long-lasting pre-emerge control, Semera 51.0 WDG also takes down post-emerge weeds up to 2 in height. When weeds pop up before the spray goes down, we have you covered.. RESTRICTIONS NOT AVAILABLE FOR SALE IN ALASKA OR HAWAII. Always read and follow label instructions. Not all products are registered for use in every state..

Bonide Captain Jack's Deadweed Brew, 128 oz Concentrate for All Types of Weeds and Grasses, for Organic Home Gardening

NON-SELECTIVE WEED CONTROL - For use on non-selective herbaceous broadleaf and grassy weeds. Read the label for specific annual broadleaf weeds, perennial broadleaf weeds, annual grasses, and perennial grasses to be treated.. FAST ACTING WEED KILLER - Our weed killing formula can provide results in just hours Additionally, once this product dries after application it becomes waterproof. VARIETY OF USES - It works in temperatures as low as 40 degrees Fahrenheit. It is great for use around borders, driveways, sidewalks, the base of mature trees, around buildings, fence lines, barns, pastures, school grounds, greenhouses, and more.. ORGANIC GARDENING - Approved for organic gardening.. EASY TO APPLY - Product mixes with water and should be applied as a spray using a standard hand-held or backpack sprayer. Carefully read and use according to label directions..

Cutrine-Plus Algaecide, 1 gal

Effective control of forms planktonic and filamentous algae. ALGAE CONTROL USED BY THE PROS - WORKS FAST Visible reduction in algae growth 1 2 days after application. Shows fast results on most types of algae.. DOUBLE CHELATED FORMULA Double chelated formula prevents the precipitation of copper with carbonates and bicarbonates in the water. RECOMMENDED USE Lakes, potable water reservoirs, ponds, fish hatcheries and raceways, crop and non-crop irrigation conveyance systems ditches, canals and laterals. Ideal for algae on the surface or in the water column. Works in hard water.. Cannot be shipped to AK, CT, HI, ME, NJ, NY, WA or Canada. Orders placed from these states will be cancelled..

The Pond Guy ClearVac Pond Vacuum, Powerful Motor Quickly Removes Sludge & Debris, Dual Chamber Reservoir for Nonstop Use, 4 Interchangeable Nozzle Attachments, 5 Extension Tubes, 8 Ft Discharge Hose

Dual Chamber Reservoir For Nonstop Use. 4 Attachments For All Pond Surfaces. Reduce Timely Pond Maintenance.
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