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So, for the first time in 17 years of keeping fish, I decided to bite
the bullet and purchase a total nitrate test kit. My LFS had it on sale
with all the other saltwater kits and this one falls into both
categories. Anyhow, I tested my tank and lo and behold... it's in the
top end of the chart which jumps from 80 to 160ppm. My reading was
somewhere in between those two indistinguishable colours. In my
estimate... TOO F@|<$NG HIGH. Testing the tap water to see if the N03
test was sane, I got a reading somewhere in the neighbourhood of 0ppm.
After a %50 water change and giving it a bit of time to mix in, the
reading is down to somewhere around 25ppm. The thing of it is, with
plants are we concerned mostly with total nitrates or nitrate-nitrogen?
If that is the case, the test kit states that a dividing by 4.4 gives
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