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confusion about nitrate unit of measurement
Ron Wozniak wrote:
"Thanks to people on this list, I now know
( i.e. [NO3-] = 4.4 [N-NO3-] )
that 25 ppm Nitrate ion is about 5.5 ppm Nitrate Nitrogen, which would
be about the right amount of nutrients I would need to add to my now
more or less Nitrate/Phosphate limited tank."
Several people have mentioned trying to maintain a level of 5 ppm nitrates
in a planted tank, which I thought meant NO3. The Lamotte nitrate kit
measures nitrate-nitrogen[N-NO3-], so I thought I had to convert back to
NO3. But now it sounds like I should actually be trying to maintain 5 ppm
nitrate-nitrogen? Sorry, I'm not a chemist, so I hope I'm being clear.
wshimoda at hei_com