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Aquatic Herbicides

Aquatic Herbicides

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  1. Sonar A.S. Pint, L00345

    Sonar A.S. Pint, L00345

    $419.97

    Sonar AS is a selective systemic aquatic herbicide to control the growth of aquatic vegetation in lakes, reservoirs, fresh water ponds, and drainage canals.

    Sonar AS is a 41.7% Fluridone product which inhibits the formation of carotene, degrading the chlorophyll necessary for photosynthesis and plant energy production.

    • For best results, apply prior to initial growth or at beginning of active growth.
    • Effectiveness reduced in rapidly moving water or conditions which dilute the concentration of Sonar AS. Contact must be maintained for 45 days for effective treatment. Symptoms of affected plants include white and pink foliage growth.
    • Follow all label guidelines and warnings.
    • Permits may be required prior to use of this product, consult with local water authorities.
    • Harmful if absorbed through skin, inhaled, or swallowed.
    • Not for use in drinking, fishing, swimming, or water for livestock or pet consumption.
    • Not for use in hydroponic farming, or in water for irrigating nursery or greenhouse plants.
    • Do not use any type of irrigation system for application.
    • Also available in Quart size.

    We are unable to ship this item outside of the US.

    Learn More
  2. Sonar Gallon L00355

    Sonar Gallon L00355

    $2,199.97

    Sonar AS is a selective systemic aquatic herbicide to control the growth of aquatic vegetation in lakes, reservoirs, fresh water ponds, and drainage canals.

    Sonar AS is a 41.7% Fluridone product which inhibits the formation of carotene, degrading the chlorophyll necessary for photosynthesis and plant energy production.

    • For best results, apply prior to initial growth or at beginning of active growth.
    • Effectiveness reduced in rapidly moving water or conditions which dilute the concentration of Sonar AS. Contact must be maintained for 45 days for effective treatment. Symptoms of affected plants include white and pink foliage growth.
    • For a complete list of plants controlled by Sonar AS, see label.
    • Follow all label guidelines and warnings.
    • Permits may be required prior to use of this product, consult with local water authorities.
    • Harmful if absorbed through skin, inhaled, or swallowed.
    • Not for use in drinking, fishing, swimming, or water for livestock or pet consumption.
    • Not for use in hydroponic farming, or in water for irrigating nursery or greenhouse plants.
    • Do not use any type of irrigation system for application.

    Also available in pint and quart size.

    We are unable to ship this item outside of the US.

    Learn More
  3. Sonar Q 40lb Granular L00362 Aquatic Herbicide

    Sonar Q 40lb Granular L00362 Aquatic Herbicide

    $1,330.97

    Vegetation is essential for maintaining thriving pond ecosystems. Aquatic vegetation provides oxygen, food, and habitat for wildlife. Their root systems are vital to stabilizing sediment layers. However, it doesn’t take long for these benefits to be counteracted by the overgrowth of problematic and invasive species of pond weeds. Bladderwort, elodea, hydrilla, water milfoil, paragrass, and naiads, just to name a few, can all make your pond an eyesore and unusable for recreation. With Sonar Q, you have a fast, effective, and cost-efficient ally.

    This pelleted formula is specially designed to be fast-releasing yet long- lasting. And because it is in a pelleted form, you can expect the same results as from a liquid but with better application control with no worry of overspray. In fact, Sonar Q offers better and longer lasting residual treatment than the leading liquids. The unique pellets immediately carry the active ingredient to the base of the plant, where it is most efficient and least likely to be degraded by light.

    Sonar Q is especially recommended for ponds with rocky or sandy bottoms. For best results, it is best to apply in the early spring at the first sign of growth. Application rates for Sonar Q pellets vary from 3.2 - 25 pounds per acre for ponds to 4 - 80 pounds per acre for lakes. There are no restrictions on swimming or fishing following treatment. See manufacturer’s label for details.


    Key Features:

    • 40lb container
    • 5% fluridone
    • Ready-to-use pelleted formula
    • Effective against various aquatic weeds, including elodea, hydrilla, water milfoil, naiads, and paragrass

    Cannot be sold to the following states: Alaska, California, Connecticut, Delaware, Hawaii, New Hampshire, New Jersey, New York, Maine, Maryland, Massachusetts, Oregon, Rhode Island, Washington State, Vermont

    Learn More
  4. Sonar A.S. Quart L00350

    Sonar A.S. Quart L00350

    $789.97

    Sonar AS is a selective systemic aquatic herbicide to control the growth of aquatic vegetation in lakes, reservoirs, fresh water ponds, and drainage canals.

    Sonar AS is a 41.7% Fluridone product which inhibits the formation of carotene, degrading the chlorophyll necessary for photosynthesis and plant energy production.

    • For best results, apply prior to initial growth or at beginning of active growth.
    • Effectiveness reduced in rapidly moving water or conditions which dilute the concentration of Sonar AS. Contact must be maintained for 45 days for effective treatment. Symptoms of affected plants include white and pink foliage growth.
    • For a complete list of plants controlled by Sonar AS, see label.
    • Follow all label guidelines and warnings.
    • Permits may be required prior to use of this product, consult with local water authorities.
    • Harmful if absorbed through skin, inhaled, or swallowed.
    • Not for use in drinking, fishing, swimming, or water for livestock or pet consumption.
    • Not for use in hydroponic farming, or in water for irrigating nursery or greenhouse plants.
    • Do not use any type of irrigation system for application.

    We are unable to ship this item outside of the US.

    Learn More
  5. Nautique 2.5 Gal L00208

    Nautique 2.5 Gal L00208

    $112.97

    Retention basins, golf course water hazards, potable water reservoirs, and even decorative ponds can quickly become overrun with invasive aquatic plants. However, these unique water sources needs a special herbicide that is tough on weeds yet friendly towards the environment. Nautique is a fast, effective copper-based herbicide that poses minimal risk to the environment. It treats floating, emergent, and submerged weeds, and is safe for lakes, rivers, ponds, aquaculture, and even crop irrigation systems.

    Since Nautique works on contact, it is ideal for the local or spot treatment of tough copper-sensitive weeds, including horned pondweed, curlyleaf pondweed, hydrilla, naiads, widgeon grass, Brazilian elodea, coontail, and more. Its powerful and economical formula is the most concentrated chelated copper herbicide on the market. Application rates vary from 1.8 gallons to 3.0 gallons per acre foot of water. Unlike with many other herbicides, water sources treated with Nautique may be used immediately following application for fishing, swimming, watering livestock, and even irrigation.

    Key Features:

    • 1 gallon container
    • 9% chelated copper
    • Effective on copper-sensitive aquatic weeds, including hydrilla, naiads, elodea, coontail, and more
    • Minimal risk to the environment
    • Treats lakes, rivers, irrigation canals, reservoirs, potable water sources, ornamental ponds, and more
    Learn More
  6. Sonar 8 Oz L00344

    Sonar 8 Oz L00344

    $239.97

    Provide excellent seasonal control in your ponds by applying SONOR A.S. aquatic herbicide early in the spring to help battle submerged, emergent and floating weeds all year long in your freshwater pond, canal, reservoirs or lakes. This product works best when applied early when shoots just start to emerge and in slow moving water, rapid water and movement will reduce its effectiveness.

    SONAR A.S. is available in both liquid or pellet form for convenience during application. There is no corrosive noted to application equipment and if following the label application instructions there are no restrictions for water use for domestic application like fishing and swimming after application but there is a fourteen to thirty day restriction if used in treated water for irrigation. Follow the application directions properly for an easy and safe way to beautiful your property.

    Learn More
  7. Sanco Industries Stock Plex Algae Control Algaecide 07077

    Sanco Industries Stock Plex Algae Control Algaecide 07077

    $14.97

    Stock Plex is designed to keep your livestock watering tanks free of algae and weeds.  Stock Plex can be used to prevent algae or to clean existing algae.  Stock Plex is a copper sulfate based blend safe for many animals like cattle, horses, and dogs.  

    • 1/4 ounce treats 250 gallons of water
    • Active ingredient copper sulfate
    • Do not use in sheep watering tanks
    Learn More
  8. Sonar PR 30 lb L00364

    Sonar PR 30 lb L00364

    $1,205.97

    Bladderwort, coontail, elodea, hydrilla, naiad, pondweed, and watermilfoil. These are just a few of the many problematic species of aquatic weeds that can quickly overrun a pond, lake, canal, or reservoir. When weeds take over a waterway, ecosystems are disturbed and recreational use is often halted. Sonar has become a world leader in aquatic herbicides by successfully combating these nuisances. Now, Sonar offers an even more effective and improved treatment with their Precision Release (PR) formula.

    After delivering a strong initial dose of concentrated active ingredient, Sonar PR maintains a higher concentration for an extended amount of time. The stamina of this product is particularly effective for combating more tolerant weeds or for treating more challenging areas of your pond. When applied early in the season, this product provides superior season-long control.

    Application rates for Sonar PR pellets vary from 3.2 - 25 pounds per acre for ponds to 4 - 80 pounds per acre for lakes. Minimal post-usage restrictions apply. While there are no restrictions on water use for swimming, fishing, or domestic use following treatment, one should wait 14 to 30 days before using treated water for irrigation purposes. See manufacturer’s label for details.

    Key Features:

    • 30lb container
    • Precision Release pelleted formula
    • Results start to appear in 5-7 days
    • Will not corrode application equipment
    • Effective against several species of aquatic weeds, including bladderwort, coontail, elodea, hydrilla, naiad, pondweed, water milfoil, and paragrass
    • 5% fluridone

    Cannot sell to the following states: Alaska, California, Connecticut, Delaware, Hawaii, New Hampshire, New Jersey, New York, Maine, Maryland, Massachusetts, Oregon, Rhode Island, Washington, Vermont

    Learn More

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