Hydrothol 191 Aquatic Algicide and Herbicide, UPI

Hydrothol 191 is a liquid formulation that provides control of both weeds and algae. Used primarily as an algicide at rates of 0.05-0.3 ppm, it provides excellent control of a broad spectrum of algae including planktonic, filamentous, and branched algae.

Active Ingredient: Dipotassium salt of endothal 53.3%

EPA Signal Word: DANGER / PELIGRO
Manufacturer: United Phosphorus Inc.

Hydrothol 191 is a liquid formulation that provides control of both weeds and algae.  Used primarily as an algicide at rates of 0.05-0.3 ppm, it provides excellent control of a broad spectrum of algae including planktonic, filamentous, and branched algae.  Hydrothol 191 also provides control of aquatic vascular plants and can be tank-mixed with Aquathol K to improve the efficacy on difficult-to-control weeds. 

Hydrothol 191, works relatively quickly providing algae control in just a few days, and weed control similar to Aquathol K.  There are no restrictions on treated water used for swimming, fishing or irrigation


Hydrothol 191
 Features:

  • Minimal water use restrictions
  • Controls both weeds and algae
  • Works quickly

Hydrothol 191 is a liquid formulation that provides control of both weeds and algae.  Used primarily as an algicide at rates of 0.05-0.3 ppm, it provides excellent control of a broad spectrum of algae including planktonic, filamentous, and branched algae.  Hydrothol 191 also provides control of aquatic vascular plants and can be tank-mixed with Aquathol K to improve the efficacy on difficult-to-control weeds. 

Hydrothol 191, works relatively quickly providing algae control in just a few days, and weed control similar to Aquathol K.  There are no restrictions on treated water used for swimming, fishing or irrigation


Hydrothol 191
 Features:

  • Minimal water use restrictions
  • Controls both weeds and algae
  • Works quickly

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