With those, you have to be positive that the weeds that are in your BOW aren't the kind that will spread from pieces of the weed that are left behind.
I did not know that little fact about certain devious weeds before I joined Pond Boss.
Step one before any mechanical or chemical weed control project is to get your weeds properly identified by some of the experts, and then learn the properties of the weed and the best means to deal with it.
