In Tasmania, many people hookah dive for recreational fishing though it's unregulated and often the equipment is dangerous.

When you go scuba diving, you usually bring some oxygen with you, but sometimes you leave it back on the boat. Deco’s breath of fresh air, Chris Van Vliet, is here with a look at hookah diving ...

A coroner has reminded hookah and scuba divers of the “vital importance” to follow safety protocols to avoid tragedy, following the deaths of four Tasmanians.

So you can go and buy scuba equipment or you can buy hookah equipment and you can jump in the water,” he said. “Overall recreational diving is safe. But there are risks.

Although hookah diving is unregulated in Tasmania, with no requirement for equipment to be professionally serviced, Mr Koyama said training should be mandatory. “I feel extremely lucky.