[APD] Re: Aquatic-Plants Digest, Vol 3, Issue 24

[Dave Millman <dave at tactics_com>]

At 12:02 PM 11/19/2003 -0500, Rachel Sandage wrote:


> This made me wonder, what was the NO3 level while the fry were in there? 
> Is it possible that the problem was not excess nutrients caused by heavy 
> bioload, but rather nutrient limitation caused by a lack of N?


Nitrate level was a consistent 5-10 ppm. This required dosing 1/2 tsp KNO3 
2x weekly while the fry were in there, and 1 tsp 2x weekly now that they 
are gone. So it wasn't lack of NO3. The only tests I do any more are pH for 
the CO2 level and NO3.

The tank is progressing rapidly through different algae now. Once the blue 
green (cyanobacteria) decreased, big tufts of cotton-candy green arrived. I 
scooped out a bunch of this and fed it to the ancistrus fry-they liked it 
so much, they ignored peas for a day! It has now begun to wane, and some 
green thread is showing, but not much. Ambulia, rotala and hygro are 
exploding.


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