Core skills. This means being completely still in the water and moving using only your fins.
Redundancy. Deeper and wrecks means you need to ensure you've plenty of redundant gas should you be snagged or you get a free-flow or suchlike. This means looking at twinsets/doubles or sidemount then practising and mastering shutdows.
Looks like I might be the first to say this...
Your questions are really excellent. It shows you're thinking about the future and moving to more challenging diving. Consider looking at a course such as GUE Fundimentals. You don't have to dive with them afterwards, but your skills will be immensely improved as a result. Everything they teach is pretty much a pre-requisite to moving towards technical diving, or simply being an excellent recreational diver.
Good luck. It's a longer term goal, but opens up so many possibilities. It's fun too.
Redundancy. Deeper and wrecks means you need to ensure you've plenty of redundant gas should you be snagged or you get a free-flow or suchlike. This means looking at twinsets/doubles or sidemount then practising and mastering shutdows.
Looks like I might be the first to say this...
Your questions are really excellent. It shows you're thinking about the future and moving to more challenging diving. Consider looking at a course such as GUE Fundimentals. You don't have to dive with them afterwards, but your skills will be immensely improved as a result. Everything they teach is pretty much a pre-requisite to moving towards technical diving, or simply being an excellent recreational diver.
Good luck. It's a longer term goal, but opens up so many possibilities. It's fun too.