SSI Enriched Air Nitrox lets you stretch your bottom time over Tulamben's USAT Liberty and the muck slopes of Seraya Secrets, where the tiniest critters reward a slow, patient pace. The course is mostly classroom-based with hands-on oxygen analysis, and you can certify in a single relaxed session. It is a smart add-on for divers planning multiple dives a day on Bali's northeast coast.
SSI Enriched Air includes free digital materials and certifies you for nitrox up to 40 percent; like all SSI courses it uses performance-based assessment and issues an SSI digital card.
Taught from the Tulamben base, the course's optional dives use the USAT Liberty and Seraya's macro slopes, where longer no-stop limits give you the patience to find pygmy seahorses, frogfish and coconut octopus.
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