McPhock;1061519 wrote: Eh, anecdotal experiences are just that. Same goes for me.
http://www.wetwebmedia.com/bluegralgae.htm">http://www.wetwebmedia.com/bluegralgae.htm</a>
Nutrients are mentioned repeatedly (as is circulation). Given that the gentleman doesn't know his nutrient levels, that's my gut inclination.[/QUOTE]
I do believe that nutrients are [B]almost always [/B]a contributing factor thereby being deemed anecdotal.
IME with it there was [B]always[/B] anaerobic area affected. I guess that could be deemed anecdotal.
I've just noticed that it seems to show up in fairly young systems which usually contain pockets of Hydrogen sulfide, once established it seems to subside in frequency of appearance.
