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Re: [APD] Nitrogen source

What about getting some potassium nitrate powder and using
that?  Undoubtedly the cheapest way to go and powder is
easy to measure.

Scott H.
--- Dgrim62 at cs_com wrote:
> Hi everyone,
> I am currently supplementing my 240 gallon tank with one
> of the commercially 
> prepared planted aquarium nitrogen supplements. I test
> with a Lamotte test 
> kit. 
> Are there any cheaper sources of nitrogen that would be
> comparable to the 
> commercial products that I could use and still get
> accurate readings with the 
> Lamotte? I am currently using a good bit of N. Hopefully,
> as I introduce more 
> fish and the tank ages I may need to use less, but for
> right now it is my single 
> biggest additive cost.
> I was wondering if one of the garden type Nitrogen
> sources would be a good 
> substitue? The aquarium supplements are pure, I assume.
> That would be my only 
> concern about using something not aquarium specific,
> other ingredients that 
> might be harmful in a planted tank.
> The tank is 240 gallons, light is metal halide, sump
> setup, CO2 injection.

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