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Hydrothol 191 Granular

Hydrothol 191 Granular

$99.99
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Product Description

What kind of aquatic vegetation with Hydrothol 191 Granular work on?

  • BUSHY PONDWEED Excellent
  • CLASPING-LEAF PONDWEED Excellent
  • CURLY-LEAF PONDWEED Excellent
  • FLOATING-LEAF PONDWEED Excellent
  • HORNED PONDWEED Excellent
  • LARGE-LEAF PONDWEED Excellent
  • LEAFY PONDWEED Excellent
  • SAGO PONDWEED Excellent
  • CHARA Good
  • COONTAIL Good
  • ELODEA Good
  • EURASIAN MILFOIL Good
  • FILAMENTOUS ALGAE Good
  • HYDRILLA Good
  • MILFOIL Good
  • PARROT FEATHER Good
  • PLANKTONIC ALGAE Good
  • AMERICAN LOTUS Fair
  • SPATTERDOCK Fair
  • WATER PRIMROSE Fair
  • WATER SHIELD Fair
  • WHITE WATER LILY Fair

Check out all of our other products designed to Kill, cut & get rid of lake weeds. Ask us about other Lake shore & weed management products and services we provide!


Hydrothol 191 Granular: Hydrothol® Granular uses 11.2% concentrated Mono (N, N-dimethylalkylamine) Salt of Endothall, and continues to be a highly effective herbicide/algaecide solution for a variety of aquatic nuisances. Be sure to apply this product when weeds and algae are actively growing. Susceptibility of algae may vary due to subspecies, strains or environmental conditions. There is also a liquid option but this is sold to commercial applicators only. Check permitting requirements in your area prior to applying.

EFFECTS OF ALGAE: Algae can be detrimental to water quality. In fad, it may cause illness to swimmers and other water users. Poor water quality as a result of certain strains of algae may even prevent water-contact recreational uses including swimming, water skiing and use of personal water craft. Algae blooms are the leading cause of fish kills in the U.S., compromising fishery management programs.

EFFECTIVE HERBICIDE AND ALGAECIDE: Hydrothol ® Aquatic Herbicide and Algaecide has been successfully used for over 30 years. Today Hydrothol ® is used primarily as an algaecide. Hydrothol ® is the only registered broad spectrum organic aquatic algaecide available today. Hydrothol ® can be used in combination, in rotation or as an alternative to copper for control of algae.
ENVIRONMENTALLY SOUND: Hydrothol ® quickly dissipates in the environment. When properly used, Hydrothol® provides excellent algae and weed control, but does not adversely impact the fishery or the aquatic environment. Hydrothol ® does not bio accumulate in either fish or the hydro soil, and has a short half-life of less than seven days.

VERSATILE: Due to the fast activity of Hydrothol ®, it can be effectively used in slow moving water, such as drainage and irrigation canals. In addition, spot or marginal treatments are highly effective against noxious weeds and algae in lakes and ponds. Hydrothol ® is effective in muddy or murky water because it does not bind to the suspended sediment or organic matter.

HYDROTHOL: Hyrdothol ® provides control where you need it, in the application area, not away from the target area. For this reason, Hydrothol ® is a valuable tool in improving access to the water for recreational activities such as swimming, fishing and water skiing.

APPLICATION: Hydrothol ® must be properly used to avoid toxicity to fish. Only marginal or sectional treatments are recommended and should be only be made by qualified commercial applicators. Applications should be made outward from the shoreline or in strips to prevent trapping fish in the treated zone. Refer to label for proper application rates. killlakeweeds

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