Seawater and freshwater have different density, and ballast weights are provided to compensate for the difference
- Freshwater: no ballast weights
- Brackish water: 1 ballast weight
- Saltwater: 2 ballast weights
Variations in salinity may occur. Always check that the drone floats before diving. If not, remove a plate.
To ensure accurate depth reading you can configure the water type in the Blueye App. You find the setting under Settings - Drone settings - Configuration: