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SESK: Stuff Everyone Should Know · sesk.info/scuba-standard-cylinder-air

What is in a standard recreational scuba cylinder?

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  1. Pure oxygen
  2. Compressed air
  3. Helium mix

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References

  1. PADI Blog: What Is in a Scuba Tank? blog.padi.com/what-is-in-a-scuba-tank Checked 2026-10-12.
  2. PADI Blog: What Is in a Scuba Tank? blog.padi.com/what-is-in-a-scuba-tank Checked 2026-10-12.

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