Re: Seachem Prime

[Kirk Melton <triax at bellsouth_net>]

> Flourish Nitrogen (approx. 3 mL, 2x per week)
>
> Using the "expert" formula on the label, and using your tank volume 
> approximation of 60gal, that would be the equivalent of 1 / ((0.05 * 60) / 
> 3) = 1ppm NO3 each dose. So, you're adding the equivalent of 2ppm nitrate 
> each week. That's doubtfully enough and also doesn't seem to jibe well 
> with the 8ppm you mentioned above. Some discrepancy can be attributed to 
> testing error and the estimation of water volume, but a 6ppm gap seems 
> wider than those things can account for. Do you have nitrate in your tap 
> water or big/numerous fish (i.e., lots of nitrification)? Does the nitrate 
> level go down from day to day or does it seem to be building up?

Chuck,

I do have a rather heavy load of rainbows and congo tetras in the 
tank.  They are not fully grown, but, I do feed rather heavily once to 
twice per day.  That may account for it.  As far as my tap water, I haven't 
tested it, nor have I tested my water during various parts of the day.  I 
agree with your statement that Seachem's product can get pricey with large 
and multiple aquaria, so I am considering trying out the PMDD soon.  I will 
run the above tests and let you know.  THANKS!



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