Quote:
Originally Posted by redlobstor
I like this article thanks for posting. In this study it seems 12-20x tank volume is the ideal turnover rate for this species and what I find interesting is that ammonium was removed at roughly the same rate, lights on and lights off.
Jason
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Take note:- the 12 - 20 tank turn over rate was per day, not per hour.
Also, in regards to the algaes removal of NH4 during the day & night cycle, the difference in removal percentages between the two identified abalone farms; Danger Point and Jacobsbaai, indicates there may be other factors involved. Perhaps bacteria played a significant role?
In any case, a mechanism where-by algae takes up NH4 during darkness must be identified.