I haven't found that the use of PP kills algae. I am sure that if you use
enough, it might. But at that level it would probably kill fish. PP is
great for making the water sparkle, but most of that I attribute to the
killing of any bacterial cloud, and burning of the protein layer.
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RichToyBox
http://www.geocities.com/richtoybox/pondintro.html
"Gareee©" wrote in message
...
So potassium permanganate isn't harmful to wildlife, but kills the algae.

Wonder if it's avaiable anywhere, as a replacement for the Barley Straw?

There might be some generic version of it availabel cheaply.


--
Gareee©
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