Our # 1 Seller for Submersed Weeds! Very effective against a broad spectrum of submersed weeds, also controls Problem Algae at the same time - A winning one - two Punch! Hydrothol 191 has been successfully used for over 25 years. The label says it all - pondweeds, naiads, milfoils, coontail, stargrass, hydrilla, canada waterweed and many algae types including the tough ones. A great choice for lakeshore weed & algae control. Apply with a hand scoop or hand held spreader.
- Sample: *Typical Rates: 7.5 to 12.5 Lbs per 1000 sq ft. 4 Ft average depth.
Hydrothol 191 Granular Specs:
- Water Use Restrictions: None on Swimming, None on Fishing, *None on established turf.
- Container Size: 20 Lb. resealable bag(s)
- Formulation: Granular
*Consult Label for Exact Doses, Additional Restrictions & Important Application Directions. Rates vary depending upon depth and plant types. Dose requirements are less for whole waterbody treatments like a pond.
The Hydrothol 191 Product Label is available for download in pdf.