Hydrothol 191

Regular price $254.95

Free Shipping

This product is hazmat and must be shipped via freight. A single flat rate freight charge will be charged regardless of quantity ordered.

Call for shipping details 877-272-0244

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.

Active Ingredients : Mono(N,N-dimethylalkylamine) salt of endothall 53.0%

Manufacturer : UPL

Usage Rate Recommendations :
1 - 6.8 gallons per acre foot

For specific details on control of these target pest and use rates check the label provided

Brazilian Elodea
Horned Pondweed
Sago Pondweed
Water Stargrass

For specific details on these areas of use and use rates check the label provided

Aquatic Sites

This product is not registered for use in the following states:

  • AK
  • HI

At this time ChemicalWarehouse does not ship pesticides outside of the Continental United States. (No shipping to Alaska, Hawaii, Puerto Rico, Canada, Mexico, US Military Bases, or US Territories)