Check the listing for details. Imazacast Aquatic Herbicide - (1 Gallon). Condition: New. Listed at 357.95 USD. Imazacast is a selective and systemic herbicide that can be used for control/suppression of submerged vegetation, or applied as a broadcast spray to floating and emergent plants. The systemic activity of the active ingredient provides leaf to root control of targeted weeds. Please refer to label for application and safety information. Benefits: Provides control of a both surface and submerged vegetation in aquatic environments. Can be used in noncrop industrial areas such as railroads, tank farms, pumping stations, rights-of-way. There are no restrictions on livestock watering, swimming, fishing, domestic use, or use of treated water for agricultural sprays. Quickly absorbed and translocated to growing portions of the target vegetation. Active on many submerged, emergent and floating broadleaf and monocot aquatic plants. Applications of Imazacast to emergent, floating or shoreline species require the use of a spray adjuvant. Always use a spray adjuvant that is appropriate for aquatic sites. ***ONLY SHIPS TO LOWER 48 STATES***