Steel or Aluminium Cylinders..? (no audio)

What cylinders are best to use for sidemount diving, steel or aluminium..? Steve Martin answers this with a training video extracted from his Sidemount Essentials Training Course. To keep updated please join the Facebook Fan Page ( / sidemounting )

[@tarekmohammed2354]

thanks, really valuable info.
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[@andreac.58]

I am considering to buy a sidemount bdc to be used with drysuit and steel cylinders (10 + 10), but I am not sure about the lift... Could 12 liters be enough or should I opt for more volume (17 - 18 liters)? Thank you so much for your help!

[@ivoryjohnson4662]

Some of us in the States like no music too