Hydrothol 191 granular is effective on most submerged aquatic plants and algae. Hydrothol 191 is very easy to apply. Applications are made by spreading the granules using a hand held spreader, scoop, or by throwing the granules out by hand. There is no mixing necessary.
Hydrothol 191 Granular Effectiveness
Plants Controlled: Submerged Vegetation, Some forms of Algae
Broad-spectrum granular aquatic algaecide and aquatic herbicide for use in lakes and ponds. Works on most prevalent submerged weeds and and troublesome algae. Apply when weeds and algae are actively growing.
- Treats Weeds: Milfoil, Hydrilla, Hygrophila, Naiad, Elodea Canadensis, Coontail, Bur Reed, Pondweed, Vallisneria, Zannichellia and Water Stargrass
- Treats Algae: Planktonic, filamentous and branched algae
- Coverage: 2250 sq ft per 10 lb.
- Application: Apply consistently across targeted area. Apply with a hand scoop or spreader
- Quantity: 20 lb
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