Brushy pond weed

[Cross-7]

From what I’ve read it says to treat with diquat dibromide.
I have yet to find diquat or anything containing it.
Anyone know a source ?

 

[sstterry]

https://www.amazon.com/Diquat-PRO-Herbi ... B00C4Y228S

 

[BC]

Reward by Syngenta

http://www.greencastonline.com/labels/r ... nd-aquatic