Ok, so this is interesting:
1.5ppm NO3
0.01ppm PO4
And the water is cloudy! So, as soon as the bacteria had enough NO3 they went crazy. I tested PO4 twice. First time showed as 0. Second showed as 5ppb phosphorus (.015ppm PO4).
I'll let the bacteria bloom pass, then I'll resume dosing NaNO3.
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