I did a couple of caves in south Australia and a couple in Florida.
of all 4, Florida's Ginnie Springs is the most beautiful, crystal clear water. most challenging was Fossil cave in south Australia.
you need to do many courses before you can get into cave diving. recreational open water divers are not allowed in the cave proper. only the opening cavern.
way back we had to complete...
opwnwater diver
advance openwater diver
enriched air nitrox diver
advanced enriched air nitrox diver
normoxic trimix
extended range normoxic trimix
technical trimix
then finally cave diver certification.
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