How precise do you need it to be? If you just want a general idea of the
amount, try going to a pet store. They have tests to detect nitrates in
aquarium water. Of course, if you want something precise and publishable,
this won't work. But if all you need is estimates. . .
On Thu, 28 Oct 1999 albican at my-deja.com wrote:
>>>> Does anyone know of an inexpensive test for Nitrates in water. I have
> kits that detect up to 90ppm but that is not high enough.
> Biologist masquerading as a Microbiologist
>>> Sent via Deja.com http://www.deja.com/> Before you buy.