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Dear senior tech divers:

Some  of  the senior tech divers stated that "welding helium would be
good for diving mixes/breathing".

In  Canary  Islands (1200 km from nearest euro port), there is no
"medical  grade"  Helium but there is He for welding (it comes in
50 Lt tanks and the cost is around 355 USDollars each).

My questions are as follows:

(1) Has any one run any anylses (gas chromatography, whatever) on
welding grade helium ?

(2)  Those  of you who have used welding grade He: do you use any
special filters to clean up impurities ?

Any other info would be mostly appreciated.

If  welding  He  is  enough good, it would open up a new world to
divers on the islands, here.

Thank you for your comments.

cheers,

       aldo

aldo.solari@ho*.se*
www.ccbb.ulpgc.es/fish-ecology/solaris
___


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