Can I add salt to Saline solution to make it hypertonic

[rusty crown (imported)]

Hello,

I'm 27 yo male. I have been injecting my both tests with ethyl alcohol 70% (rubbing alcohol) for two years with no noticeable effects as far as I know. I want to switch to Saline - especially they say ethyl alcohol is not healthy - but I can't seem to able to put my hands on hypertonic solution. so I'm wondering if I can add salt to my solution to make it hypertonic? and, if so, why do they say I can't use iodized salt? I know all my questions sounds dumb but I'm completely lost and I need you help.

Thanks in advanced

[ZeuterMe (imported)]

Microbial contamination, and chemical contamination.

Rubbing alcohol is "denatured" by mixing a poison into it. Don't inject it! Vodka is the correct grade.

Sterile lab-grade CaCl is available on Amazon, and is probably a safer idea than rubbing alcohol.