Avast! Aquatic Herbicide is a fluridone-based formulation for the management of aquatic vegetation in freshwater ponds, lakes and reservoirs. As the generic alternative to Sonar Aquatic Herbicide, Avast! may be a more economical option depending on the market and situation.
Knowledge Base
Sonar Herbicide Risk Assessment Guide 
Note: Product may not be registered for use in your state or locale. Check to be sure a specific use pattern is approved in your area before use. Check product labeling or your local state agency for more information. Most current product labels are available by visiting the product manufacturers website or at https://www.cdms.net