Originally Posted by Jim Casada
The chemical is antimycin, I believe. I'm not a scientist but do have to wonder if it is possible to render harmless, completely and irrevocably, something which is deadly above a waterfall after it drops down below the cascade.
That chemistry is hard to explain to the mountain folk
Bottom line is if you see the color change - it's neutralized
While I have seen many people complain about the use, I have never read anything credible (able to pass peer review) to convince me otherwise, other than the fact that in the past much worse things were used that killed the insects, etc