Mark Gresham of PSI - PCI is a renowned industry leader in the dive and compressed gas industry. He debunks myths and disinformation about scuba tanks (formally called cylinders), offering detailed explanations.
Some of the controversial topics include:
Are titanium regulators flammable when filled with Nitrox? (or blended / partial pressure oxygen mixes)
Is there any reason to roll or shake scuba tanks to mix the blended gas inside?
Should valve hand wheels on a scuba tank still be turned back a quarter turn?
Does the air in a scuba tank go bad after a while?
What makes a VIP (Visual Inspection Sticker) valid? And how often do scuba tanks explode?
Mark discusses and answers those topics and more in this interview where we finally get to the bottom of these common questions in the dive industry.
Mark Gresham is considered the leader in Cylinder Inspections, analysis, valve, and fill station expertise. He is regularly consulted by global dive operations, NASA, Dept of Defense, NOAA, and many others.

http://www.psicylinders.com/

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Kenny Dyal is the host of The Scuba Diving Podcast:
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www.sweetwaterscuba.com

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