Re: [APD] Re: NH4 vs NO3

["S. Hieber" <shieber at yahoo_com>]

--- Thomas  Barr <tcbiii at earthlink_net> wrote:


> It's when the CO2 drops or the tank is NO3/PO4/trace
> limited etc, that we run into problems...........
> Then the filter is a much better back up than the plants
> which are limited.
> If no filter/responsive bacterial culture is present,
> then you favor the algae.

But a CO2 drop is relatively sudden and the nitrate
producing bacteria develop relatively slowly. Just a guess,
but I wouldn't expect the bacteria to 
to speedily accomodate a sudden increase in nitrites. 

sh


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