Yes, you can eat the fish from your pond after use of Clearcast Aquatic Herbicide as it is an aquatic herbicide specifically for use in areas with fish without harming the fish or those who may consume the fish in the pond.
We are able to pick up the Clearcast Aquatic Herbicide from our local vendors. Are you trying to treat in an aquatic setting?
Battleship is our most popular herbicide for knotweed control. Battleship III gives you superior post-emergent control of tough broad-leaf weeds on lawns and other landscaped areas. Its 2,4-D free formulation is effective in cool and warm-season turf. The advanced "three-way" formulation contains Triclopyr, Fluroxypyr and MCPA in an easy-to-use liquid formulation
Clearcast Aquatic Herbicide is not labeled to treat for Chara. We recommend using Cutrine Plus.