- Readily, plenty available
- If 400 micron size, all three-cooling, smothering & prevention of radiation.
- Damage to cargo and machinery
- Stability, Need below Precautions for Free surface effect: shifting of liquid a free space-change in position of CG, Grounding: Excess water-increases the draft, Grounding due to listing or trim of the vessel, Weight of water added , Weight of water pumped out, Water drained to other compartment, Weight of cargo totally burnt, shifted and moved, Weight of water absorbed by cargo like coal, cotton etc
- Non corrosive-1.5 times heavier than air.