Before you enter the water, you need to complete the following pre-dive skills that you learned about for your first confined water dive.
- Complete the cylinder pressure check.
- Make sure the air pressure is at least 170–200 bar/2500–3000 psi.
- Check the battery life of the PDC.
- Follow the procedures from the first dive to complete the assembly checks.
- Follow the procedures from the first dive to complete the pre-dive buddy safety check.