Aquathol Super K is a special herbicide for the control of Hornwort, Hydrilla, and Lagarosiphon.
It has been formulated into a granular gel form to allow the herbicide to sink through the water column and attach to the aquatic weeds.
A copy of the label is provided HERE.
More information on the use of Aquathol Super K or the control of these
aquatic weeds is provided
HERE