Pond & Lake Supplies

Aquathol Super K Granular Aquatic Herbicide - 20 Lbs.

United Phosphorus, Inc.

Aquathol Super K Granulated Aquatic Herbicide

Aquathol Super K is a concentrated, granulated formulation containing 63% Dipotassium salt of endothall. Hydrilla, Milfoil, and many varieties of Pondweed are among the pest species it controls.

  • Minimal Water Use Restrictions 
  • Not toxic to fish
  • Short half-life in the environment
  • Can provide season long-contol
  • Excellent product for small lakes and ponds
  • Easy to apply

Recommended rate of use varies from 3.3-22 Lbs./Acre ft., depending on pest species.




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Based on 2 reviews Average Product Rating 5.0 stars
5 Star Rating - 2 Customer Reviews (2)
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  • Verified buyer
    5 star rating Robert C Jackson R. C. J. Robert C. J.

    Just the product for a duckweed infestation

    I go through this every year! The winged rats known as Canadian geese stop and "visit" my pond ... and I get a duckweed infestation. Aquathol Super K granular kills off the duckweed. Seed World had a great price, fast shipping, and I still have the 20 lbs. plastic pail to dump the bag into.

  • Verified buyer
    5 star rating scott trevorrow S. T. scott t.

    pond products

    always good,promt and satisfied

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