The book is an introduction to a strange world for all divers, who consider or already cultivate their passion only. The book addresses one of the great taboos in diver world, as a matter of fact to dive only. Many do it, but very few speeches about it.

Tek lite package 1 ADV EANx/ ADV rec trimix. Kit for Advanced EANx and Advanced rectiational trimix m/28 o2 and 25 he 50 o2 deco m/ 21 o2 50 o2 deco MOD/EAD tabels.