SKU: 18056455419
section herbicide

section herbicide Fluridone Liquid

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Description

section herbicide Fluridone LiquidAvast! SC Liquid and Sonar AS Liquid are systemic herbicides for controlling weeds in freshwater ponds, lakes, reservoirs, irrigation canals, and drainage ditches. Avast! and Sonar AS Liquid provide excellent control of many difficult to control weeds, including Duckweed, while allowing desirable vegetation to remain. Avast! SC Liquid and Sonar AS Liquid are functionally equivalent. Same ingredient, same concentration, same uses. Different name. Treat

Avast! SC Liquid and Sonar AS Liquid are systemic herbicides for controlling weeds in freshwater ponds, lakes, reservoirs, irrigation canals, and drainage ditches.

Avast! and Sonar AS Liquid provide excellent control of many difficult to control weeds, including Duckweed, while allowing desirable vegetation to remain.

Avast! SC Liquid and Sonar AS Liquid are functionally equivalent. Same ingredient, same concentration, same uses. Different name.

Treat your entire pond. 

For ponds (waters less than 10 acres), treat entire pond or a minimum of 5 acres. For lakes (waters 10 acres or more), treat a minimum of 5 acres. Treating less than 5 acres or treating narrow strips may not produce satisfactory results due to dilution.

Avast! and Sonar AS Liquid are absorbed by leaves and stems directly from water and by roots from hydrosoil. In susceptible weeds, Avast! and Sonar AS Liquid inhibit carotene production. Without carotene, chlorophyll is rapidly destroyed by sunlight. Without chlorophyll weeds die. Initial results show a bleaching at growing tips of the weed. Within 7 to 10 days weeds begin to turn pink then white. Growth is halted and weeds begin to die. Results occur slowly. Under optimum conditions, full kill occurs in 30 to 90 days. Avast! and Sonar AS Liquid will not cause oxygen depletion resulting from rapid weed collapse.

For best results, apply Avast! or Sonar AS Liquid in spring and summer during the early stages of growth. Weeds are more easily controlled when treated at this time. Less material is required and results occur more quickly. Avast! and Sonar AS Liquid work on susceptible mature plants but will require higher application rates and more time to show the full effect of an application.

A little goes a long way.

Consistent concentrations of Avast! and Sonar AS Liquid need to be maintained in water for up to 45 days following application. Rapid dilution due to water flow will reduce results. Best results occur in ponds with little or no outflow.

To apply, determine the volume of water to be treated in acre-feet. Use 1 pint of Avast! or Sonar AS Liquid per 1.25 acre-feet. of treated water. Dilute with 5 to 100 gallons of water and apply uniformly over the surface with a Constructo Tank Sprayer.

Visible results in 7 to 10 days.

Use Sonar Q Granular when treating a portion of a large body of water. This will help maintain a consistent concentration at the treatment site by reducing dilution.

For Duckweed, split the calculated amount of Avast! or Sonar AS Liquid into 3 equal portions. Apply each portion separately at 10 to 15-day intervals. 

Water treated with Avast! SC or Sonar AS Liquid should not be used for irrigation for 30 days following treatment.

 

See Water Use Restrictions (Days).

 

 

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SKU: 18056455419

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Rick Ivy
San Leandro, US
★★★★★ 5
Quality
Quick shipping and good quality materials.
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Reviewed in the United States on December 1, 2025
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Verified Purchase
Donna M. Kovalick
Fort Morgan, US
★★★★★ 5
Perfect fit!
Perfect fit!!
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Reviewed in the United States on October 5, 2025
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Tim
Cuba, US
★★★★★ 5
Good quality fits 2025 Civic Hybrid
The filters are good quality. I did not find any instructions, but then again, the tube is full of them. Compaitble with 2025 Civic Hybrid. The engine filter have a bit of a chemical smell, but the air cabin filter does not. The cabin filter has an interesting yellow color.
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Reviewed in the United States on February 13, 2026
S
slwf
West Palm Beach, US
★★★★★ 4
Quality filters for a decent price
The engine filter is model # JMAJ20. I am not sure of the cabin filter model #. I have a 2026 Honda CRV Hybrid 2.0L Sport Touring. These should fit as almost everything matches between the 2025 and 2026. I have not yet needed to swap the filters in the new vehicle. These filters will be stored for future replacement. The filters appear to be well made. This is a decent price fortwo filters. The engine filter's gasket is a little wavy but it should be ok to form fit once inserted into the car. The engine filter is in a retail box without a plastic wrapper but the cabin filter is just a plain cardboard box inside a plastic wrapper. This might be challenging to remember what is in the box later once the filter needs to be replaced unless I write the information onto the box. I am unsure if the lack of a wrapper for the engine filter will affect the filter while stored. I did not notice a smell to these but I am not sensitive to smell. I would get these again.
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Reviewed in the United States on October 14, 2025
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A. Hersh
Chelsea, US
★★★★★ 5
Great value perfect fit.
At a fraction of the cost of brand name filters, these are an exact match and make it affordable to actually change your filters on a regular basis. Great! Installed on a 2025 CRV hybrid touring.
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Reviewed in the United States on January 24, 2026

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