HUSBANDRY
Station Dissolved Oxygen (sDO)
Oxygen in the holding systems. Always read against filtration status before interpreting — a stalled filter, not the fish, is usually the cause of a dip.
Threshold Bands
| Band | Range | State |
|---|---|---|
| Ideal | ≥ 6 | OK |
| Low | 4–6 | WARN |
| Critical | < 4 | CRIT |
Formula
In-tank optode DO, per zone setpoint.