Hydrothol 191 granular is our #1 seller for submersed weed control!  Hydrothol 191 is very effective against a broad spectrum of aquatic weeds, while also controlling algae at the same time.  Hydrothol 191 is especially effective against large-leaf,clasping-leaf and eelgrass.  Hydrothol 191 is the ideal porduct for use around docks, beaches, boat wells, and back yard ponds.  Use a hand held scoop or spreader for even distribution and ease of application.

Suggested Rates: 10 lbs container will treat roughly 50' x 50' area              How big is my pond / lake??

Click here for 40 lbs container (treats up to 100' x 100' area)

*Consult label for exact doses & important application directions.

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Best used to control:

Eelgrass	Coontail	Eurasian Watermilfoil