I have a 12g Nano Tank with black flourite as a substrate and have 4 plants in my tank. The plants that I have are 2 Narrow Leaf Chain Sword, 1 water sprite and 1 undulata. I run 2 10,000K Compact Flourescents for about 8 hours a day, sometimes longer.
My water tested at
NO3 @ 50
NO2 @ 0
KH @...