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.  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