Shoreline Defense® Herbicide/Cygnet Plus Combo

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Product Overview

This bundle includes 32 oz. of Shoreline Defense® Herbicide and 32 oz. Cygnet Plus Adjuvant. With this bundle you get the perfect combination to control your unwanted weeds such as Cattails, Phragmites, aquatic grasses, and many more.

Shoreline Defense® Herbicide

Product Label | Product SDS

Shoreline Defense® Herbicide works on emergent aquatic weeds, including cattails and phragmites, and other shoreline vegetation. Shoreline Defense® kills weeds down to their roots. For best results, apply Shoreline Defense® while the chosen weed is in its active growing stage. For cattails, it is best to apply during late summer to early fall. 

Cygnet Plus Adjuvant 

Product Label | Product SDS

Cygnet Plus is a non-ionic sticker penetrant, wetter, and surfactant all in one product. It helps break down the waxy cuticle on the leaf of plants as well as helps to penetrate the bud and bark area allowing for better uptake of the herbicide into the plant. No other surfactant has the proven field experience and the rigorous lab toxicology tests to back it up.


Treatment Area Shoreline Defense Water Cygnet Plus
2,500 sq. ft. 8 ounces 2 gallons 4 ounces
5,000 sq. ft. 1/2 quart (16 ounces) 4 gallons 8 ounces
7,500 sq. ft. 3/4 quart (24 ounces) 6 gallons 12 ounces
10,000 sq. ft. 1 quart (32 ounces) 8 gallons 16 ounces

*Please note: Above are recommendations. Always read the product label.


Mix the desired amount of Shoreline Defense® and pond water in accordance to the label directions. Using a pressurized sprayer; spray the Shoreline Defense® mixture directly onto target weeds. Use with Cygnet Plus for best results. Treated weeds will begin to brown and die. Once weeds are completely dead, cut and rake them away to prevent an accumulation of plant decay and pond muck.


Shoreline Defense® cannot be shipped to Alaska, Arizona, California, Canada, Connecticut, District of Columbia, Hawaii, Maine, New Jersey, New York, Puerto Rico, Rhode Island, Vermont or Washington.

Due to Governmental Regulations, WE DO NOT SHIP ALGAECIDES OR HERBICIDES TO THE FOLLOWING STATES: Alaska - California - Delaware - Hawaii - New Hampshire - New Jersey - New York - Maine - Maryland - Massachusetts - Oregon - Rhode Island - Washington State - Vermont (for additional information about these restrictions please see our shipping/returns page).


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