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10 Best cattail killer for ponds - March 2026

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Last Updated: 03-29-2026

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1

topTop product
CattPlex Pro - Aquatic Herbicide - Kills Cattails, Water Lilies, Grasses & More - Quart (32 Ounces)

CattPlex Pro - Aquatic Herbicide - Kills Cattails, Water Lilies, Grasses & More - Quart (32 Ounces)

Crystal Blue

9.8

9.8

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2

Airmax Shoreline Defense Emergent Weed Control Concentrated Treatment, Aquatic Herbicide (Glyphosate) for Phragmites, Pond Grass & Cattails, 1 Quart

Airmax Shoreline Defense Emergent Weed Control Concentrated Treatment, Aquatic Herbicide (Glyphosate) for Phragmites, Pond Grass & Cattails, 1 Quart

Airmax

9.6

9.6

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3

bestBest value
Airmax Shoreline Defense Emergent Weed Control Concentrated Treatment, Aquatic Herbicide (Glyphosate) for Phragmites, Pond Grass & Cattails, 1 Gallon

Airmax Shoreline Defense Emergent Weed Control Concentrated Treatment, Aquatic Herbicide (Glyphosate) for Phragmites, Pond Grass & Cattails, 1 Gallon

Airmax

9.5

9.5

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4

CattPlex Pro Quart (32 Ounces)- Aquatic Herbicide & Plex Mate Aquatic Surfactant for Herbicides 8 Ounces- Non-Ionic, Increase Product Coverage

CattPlex Pro Quart (32 Ounces)- Aquatic Herbicide & Plex Mate Aquatic Surfactant for Herbicides 8 Ounces- Non-Ionic, Increase Product Coverage

Crystal Blue

9.2

9.2

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5

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

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

Crystal Blue

9.1

9.1

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6

Clearcast Aquatic Herbicide 1 Quart EPA-Approved Spray for Selective Control of Cattails, Floating & Submersed Weeds, Long-Lasting Weed Management for Ponds, Lakes, Canals & Reservoirs

Clearcast Aquatic Herbicide 1 Quart EPA-Approved Spray for Selective Control of Cattails, Floating & Submersed Weeds, Long-Lasting Weed Management for Ponds, Lakes, Canals & Reservoirs

SePRO

8.8

8.8

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7

Hi-Yield (33700) Killzall Aquatic Herbicide (32 oz)

Hi-Yield (33700) Killzall Aquatic Herbicide (32 oz)

Hi-Yield

8.6

8.6

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8

Pondworx Pond Bacteria - Concentrated & Formulated for Large Ponds, Water Features - Safe for Koi - 32ounes & Treats up to a Quarter Acre Pond

Pondworx Pond Bacteria - Concentrated & Formulated for Large Ponds, Water Features - Safe for Koi - 32ounes & Treats up to a Quarter Acre Pond

Pond Worx

8.4

8.4

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9

Diquat Aquatic Herbicide (1 Gallon)

Diquat Aquatic Herbicide (1 Gallon)

ALLIGARE

8.2

8.2

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10

Airmax Ultra Pondweed Defense Aquatic Weed & Plant Killer, Easy Spray Application to Clean & Clear Large Pond & Lake Water, Liquid Treatment Control Concentrate, Fish Safe, 1 Quart

Airmax Ultra Pondweed Defense Aquatic Weed & Plant Killer, Easy Spray Application to Clean & Clear Large Pond & Lake Water, Liquid Treatment Control Concentrate, Fish Safe, 1 Quart

Airmax

8.1

8.1

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