Wasn't a dig at you mate, not the way I work.I never said it screws up marker internals in general. I just said that it can screw up the Ions internals. A HP or LP bottle will be much kinder to the internals such as the orings.
Was just explaining what I thought
Most of the o-rings used are used in the aerospace industry and often reach temps below zero.
Sorry if you think it was directed at you.