Welcome to 4J Diving Services

If you're interested in technical diving, but haven't yet met the prerequisites for the PADI Tec 50 Diver course or PADI Tec 45 course, you can consider enrolling in the PADI Tec 40 course. It is the first subdivision of the full PADI Tec Deep Diver course and consists of the first four dives.

You'll learn to

Use decompression software and dive computers to plan and make decompression dives with no more than 10 minutes of total decompression and not deeper than 40 metres/130 feet.

Use a single cylinder of decompression gas with up to 50 percent oxygen (EANx50) to add conservatism to the required decompression.

What do I need to start?

Minimum age: 18 years
Must be a PADI Advanced Open Water Diver  (or hold a qualifying certification from another organization)
Be a PADI Enriched Air Diver (or hold a qualifying certification from another organization)
Be a PADI Deep Diver  (or hold a qualifying certification from another organization)
Have a minimum of 50 logged dives, of which at least 10 dives must be on enriched air, 12 dives must be deeper than 18 metres and 6 dives must be deeper than 30 metres
 

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