Reverse photoperiod filtration?

["Thomas Barr" <tcbiii at earthlink_net>]

If plants can use Nitrogen at night as suggested by Roger Miller then the
bacteria can also because most of the responsible bugs(bacteria) don't need
the light to use nitrogen. 

So this idea of Reverse Photoperiod cycling shouldn't work really, correct?
Perhaps some as the plants get towards the end of the dark period? But the
bacteria will work all the time. 

 Do algae use N at night also like the bacteria and plants? To what extent?
If they do, what the heck is this notion of Reverse Photo period for
filtration? If the nitrogen is being used up by both the plants and the
bacteria and maybe algae then why do these companies promote the Reverse
photo period idea as being an some sort of advantage when using
scrubbers/filters for N removal?
Regards, 
Tom Barr

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