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SANCO Industries

Catt Plex Aquatic Herbicide

Shipping Restrictions: Cannot be shipped to AK, CA, CT, HI, NJ, NY
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$70.98 - $74.98


CattPlex 32 oz Herbicide - Kill Cattails & Other Emergent Pond Weeds

Treats 10,000 square feet

Systemic aquatic herbicide- kills aquatic weeds to the roots. Catt Plex is a glyphosate based treatment to kill emergent pond weeds. 

Effected aquatic weeds include:

Water Lilies
Water Shield
Alligator Weed
Purple Loosestrife
Water Primrose

Why should I use CattPlex?

When properly applied, Catt Plex will kill to the root any emergent weeds (exposed above the water line) that are sprayed. Unlike other pond herbicides, Catt Plex does not stay resident in water, making it safe for fish and wildlife.

When is the best time to use CattPlex?

For best results, apply Catt Plex to mature plants. Catt Plex should be applied to target weeds early on a clear sunny day. This gives the aquatic herbicide time to be drawn into the weed during peak photosynthesis.



Aquatic Weed Treatment Instructions:

Mix in tank sprayer. Spray only on foliage above the water's surface. Completely wet foliage surface. 3 gallon Sprayer sold here

Proper Application Requires Mixing Plex Mate with Catt Plex. Mix 2oz of Plex Mate  per gallon of treatment mixture (water & herbicide). Plex Mate is a surfactant, which makes the Catt Plex stick to the weeds. 

See full label and application instructions here.

CattPlex Dosage Rates

Treatment Area
    CattPlex     Water
2,500 Sq. Feet     8 Ounces     2 Gallons
5,000 Sq. Feet     16 Ounces     4 Gallons
 10,000 Sq. Feet      32 Ounces      8 Gallons

How long until I see results?

As weeds die they begin to turn yellow. The amount of time it takes to see results varies based on the weed species, but in general you will see results within 7-10 days. 

After pond weeds die, then what?

Once aquatic weeds have died, they can be physically removed with a pond rake. Another option is to treat with Muck Remover to break down the dead vegetation. The vegetation will eventually break down into muck over time if left alone. The Muck Remover cleans up shorelines to create a more usable pond, and a healthier habitat for aquatic life. 

Active Ingredient: Glyphosate 53.8%

No Water Restrictions

Shipping Restrictions: Catplex cannot be shipped to Alaska, California, Connecticut, Hawaii, New Jersey, New York

Cattplex Instruction Label


Click here for more information about aquatic herbicides available for pond weed control 



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Additional Information

Pond Weed Control
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