Catt Plex Help - Questions and Answers

Catt Plex

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Catt Plex

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Asked by Kathy from Princeton, Mo

10/27/2012

Q

Am I correct to mix 1 oz. Catt Plex to 1 gallon of water in my hand sprayer to kill cattails in my pond?

A

You are correct. 1oz of Catt Plex to 1 gallon of water will make a 3/4% solution which is what is recommended by the manufacturer for cattails.

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124 of 127 people found this answer helpful.
Asked by Delois from Crossville, Tn

09/18/2014

Q

Would you recommend using Catt Plex to kill Lily Pads in a small pond?

A

Catt Plex can be used to treat water lillies. Mix 2oz per gallon to make 1 1/2 % solution.

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60 of 61 people found this answer helpful.
Asked by Carla from Hartington

05/23/2015

Q

Will Catt Plex harm the fish population in our pond?
We have bass, crappie, sunfish, and perch in our pond.

A

Catt Plex is completely safe for people, pets, livestock, fish, birds, irrigation, consumption, and swimming. It is recommended to follow the label instructions prior to applying. You will NOT want to treat the entire pond at once because this will cause oxygen depletion and may kill the aquatic l…
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Catt Plex is completely safe for people, pets, livestock, fish, birds, irrigation, consumption, and swimming. It is recommended to follow the label instructions prior to applying. You will NOT want to treat the entire pond at once because this will cause oxygen depletion and may kill the aquatic life. Treat 1/2 of the pond and wait two weeks and then treat the remainder.

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44 of 49 people found this answer helpful.
Asked by Chad from Lexington Ok.

02/08/2019

Q

Does Catt Plex kill to the root, or just the vegetation above the water?
Is this a permanent fix or is it an annual application that needs applied annually?

A

Per the General Use Info on the Catt Plex product label: This product moves through the plant from the point of foliage contact to and into the root system. Visible effects on most annual weeds occur within 2 to 4 days but on most perennial brush species may not occur for 7 days or more. Extremely …
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Per the General Use Info on the Catt Plex product label: This product moves through the plant from the point of foliage contact to and into the root system. Visible effects on most annual weeds occur within 2 to 4 days but on most perennial brush species may not occur for 7 days or more. Extremely cool or cloudy weather following treatment may slow the activity of this product and delay visual effects of control. Visible effects are a gradual wilting and yellowing of the plant that advances to complete browning of aboveground growth and deterioration of underground plant parts. This product will not prevent new growth in the soil or water so you would need to reapply as new plants come up, however it will completely kill a plant you spray it directly on.

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34 of 37 people found this answer helpful.
Asked by Charles from Anoka, Mn

04/30/2017

Q

The Catt Plex label mentions using a surfactant, what is a surfactant?

A

Surfactants are "sticking agents" that help herbicides stick to the target weeds. Using a surfactant will help with better coverage and faster burndown. The Catt Plex label recommends using a non-ionic surfactant such as Southern Ag Non-Ionic Surfactant.

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25 of 27 people found this answer helpful.
Asked by Larry from Stuart, Va

10/10/2015

Q

Do I spray Catt Plex or pour it in the pond?

A

Catt Plex should be sprayed as a broadcast or spot treatment for aquatic weeds in accordance with the product label. Catt Plex will not control submerged weeds; you will usually need a differenct active ingredient for submerged weeds. If you have identified the specific plants that you are targeti…
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Catt Plex should be sprayed as a broadcast or spot treatment for aquatic weeds in accordance with the product label. Catt Plex will not control submerged weeds; you will usually need a differenct active ingredient for submerged weeds. If you have identified the specific plants that you are targeting, then we would be happy to make a recommendation for you.

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18 of 20 people found this answer helpful.
Asked by James from Hartford Ky

06/05/2018

Q

What is the mix rate for Catt Plex ratio for spraying cattails with diluted dishwashing liquid?
My Catt Plex label is missing and I don't remember the rate per gallon.

A

The manufacturer recommends using a non-ionic surfactant with Catt Plex, rather than dishwashing liquid. You can find dilution rates beginning on page 9 of the product label.

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18 of 26 people found this answer helpful.
Asked by Randy from Leavenworth, Kansas

10/07/2019

Q

When is the best time to apply Catt Plex?
It is fall now. Should I apply now or wait till spring?

A

Catt Plex is a post-emergent herbicide, so you can use it any time the target weeds are actively growing. Post-emergent herbicides like this one containing glyphosate will not work well if the plants are not growing, so if the plants have stopped growing, then you may consider physically cutting the…
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Catt Plex is a post-emergent herbicide, so you can use it any time the target weeds are actively growing. Post-emergent herbicides like this one containing glyphosate will not work well if the plants are not growing, so if the plants have stopped growing, then you may consider physically cutting them down and then applying if/when you see regrowth.

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13 of 14 people found this answer helpful.
Asked by Joe from Greenbrier, Arkansas

06/05/2019

Q

I have willow trees starting in my pond. Will Catt Plex kill them?

A

Yes, Catt Plex is labeled for willow.

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10 of 10 people found this answer helpful.
Asked by Terry from Rolla, Mo

07/02/2018

Q

How long before you start seeing the water lilies to die after applying Catt Plex?

A

You should start seeing results within 7-14 days of applying Catt Plex when used as directed on the product label. It is highly recommended to use a non-ionic surfactant such as Southern Ag Non-Ionic Surfactant with application for better coverage and faster burn/kill.

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9 of 10 people found this answer helpful.
Asked by Stephen from Marblehead

05/09/2017

Q

Can I use Cattplex to kill beachgrass in a tidal area?
The plants are dry for maybe 8 hours.

A

The aquatic weed control products that we carry are not labeled for tidal area applications except Cattplex as it is a glyphosate herbicide labeled for eradicating beach grass. Schedule applications in order to allow 6 hours before treated plants are covered by tidewater. Rainfall or immersion wi…
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The aquatic weed control products that we carry are not labeled for tidal area applications except Cattplex as it is a glyphosate herbicide labeled for eradicating beach grass. Schedule applications in order to allow 6 hours before treated plants are covered by tidewater. Rainfall or immersion within 6 hours after application may reduce effectiveness.

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8 of 12 people found this answer helpful.
Asked by Kathy from Brookfield, Oh

06/05/2018

Q

What surfactant should be used with Catt Plex?

A

The Catt Plex label recommends using a non-ionic surfactant such as Southern Ag Non-Ionic Surfactant.

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8 of 10 people found this answer helpful.
Asked by Janet

05/31/2019

Q

When lily pads die in a pond, do they break off and float or do they sink to bottom?
Used Catt Plex on lily pads in a pond with fantastic results.

A

We are happy to hear that you had fantastic results when using Catt Plex. When the lily pads are treated, you should rake them as the dead plant matter will float on the surface.

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8 of 10 people found this answer helpful.
Asked by Charol from Hillsboro, In

08/30/2019

Q

Does Catt Plex kill pampas grass?

A

Catt Plex is labeled for pampas grass and can be purchased directly from our website.

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5 of 5 people found this answer helpful.
Asked by Andre from Esmont

05/16/2020

Q

Would rain affect if lilies are treated a few hours before. Will it wash Catt Plex off?

A

Per the product label, when using Cattplex, schedule applications in order to allow 6 hours before treated plants are covered by tidewater. Rainfall or immersion within 6 hours after application may reduce effectiveness.

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4 of 4 people found this answer helpful.
Asked by Lynn from In

06/05/2021

Q

Will Catt Plex hurt frogs and aquatic turtles?

A

Catt Plex is completely safe for people, pets, livestock, fish, birds, irrigation, consumption, and swimming if used as directed.

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4 of 5 people found this answer helpful.
Asked by Craig from Louisburg

07/30/2022

Q

How many ounces of Catt Plex per gallon of water?

A

How much Catt Plex to use depends on the target weeds. You will use anywhere from 1 oz up to 10 1/4 oz per gallon of water per the product label.

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3 of 4 people found this answer helpful.
Asked by Lanny from Elberfeld, In

06/27/2022

Q

Will CattPlex work on primrose and cattails without adding the surfactant?

A

Catt Plex must be used as directed with a surfactant for best results on targeted weeds.

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2 of 2 people found this answer helpful.
Asked by Shar

04/13/2021

Q

Will Catt Plex kill duckweed?
If so, what would be my mixture for a hand sprayer?

A

Catt Plex is not labeled for duckweed. The Diquat Water Weed and Landscape Herbicide is labeled for duckweed control and will do a good job. For duckweed control, apply Diquat Water Weed and Landscape Herbicide at 1-2 gallons/A + 32 oz./A of surfactant in at least 100 gallons of water. Treatment of …
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Catt Plex is not labeled for duckweed. The Diquat Water Weed and Landscape Herbicide is labeled for duckweed control and will do a good job. For duckweed control, apply Diquat Water Weed and Landscape Herbicide at 1-2 gallons/A + 32 oz./A of surfactant in at least 100 gallons of water. Treatment of dense weed areas may result in oxygen loss from decomposition of dead weeds. This loss of oxygen may cause fish suffocation. Therefore, treat only 1/3 to ½ of the water body area at one time and wait 14 days between treatments.

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1 of 2 people found this answer helpful.
Asked by Kevin from Hickory, Nc

01/25/2021

Q

Does Catt Plex kill reed grass?

A

Catt Plex is labeled to target Reed Canarygrass and Giant Reed. Pleaser refer to the product label for specific application instructions and use as directed.

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1 of 1 people found this answer helpful.