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What is your definition of the word "nitrate" as printed
on the instruction sheets of nitrate test kits?

Multiple choice version:
Nitrate is
   A) NO3
   B) NO3-N (nitrate nitrogen)

Essay version:
what does NO3-N mean?

It would be useful to add the definitions of NO3 and NO3-N to
some FAQs, and explain somewhere that when people commonly
talk about nitrates, or refer to it as NO3, they're really talking about
NO3-N. It's a very confusing issue.


Shireen Gonzaga Baltimore, MD