Jan,
It was Theo at
http://www.wide-o.net/pptreatment/
--
RichToyBox
http://www.geocities.com/richtoybox/pondintro.html
"~ jan JJsPond.us" wrote in message
...
One of our rec.ponders did a wonderful write up and pictures when he used
Potassium Permanganate in his pond. Anyone got the website?
Thanks,
~ jan