Hmmm,
Old nitrate test - 5 (maybe 10)ppm.
New nitrate test - 0ppm.
(Won't throw out old test just yet).
Phosphate - 0.5ppm.
Old nitrate test - 5 (maybe 10)ppm.
New nitrate test - 0ppm.
(Won't throw out old test just yet).
Phosphate - 0.5ppm.