Hello there!
is helium gas suitable for an exit bag? i understand that the gas needs to be pure what if it isn't pure? moreover, how do i know if it's pure? if it IS pure, can i use it in place of other inert gases?
is helium gas suitable for an exit bag? i understand that the gas needs to be pure what if it isn't pure? moreover, how do i know if it's pure? if it IS pure, can i use it in place of other inert gases?
