Are my levels okay? I noticed my PO4 is zero is that good or bad?
- Temperature: 77
- Salinity: 1.027
- Alkalinity: 0.50 = 7.7
- Phosphate (PO4): 0
- Nitrates (NO3): 2
- Magnesium: 0.24 = 1140
- Calcium: 450
