"Sergey Politaev" wrote in message

Different plants (not only higher ones, algae also) prefer different levels
of redox. For example, most fast growing stem plants prefer high levels,
echinodoruses - medium, cryptocorines - low. For algae this continuity looks
like following: blue green red brown. That is the order in which this
ones would flourish in the tank whilst it becomes "older", of course if the
tank owner won't interfere the natural processes with continuous water
changes, substrate syphoning and fertilization.

Do you happen to have this reference on preference for both the plants
and the algae and redox?
Regards,
Tom Barr