I would say SO2 fumes is not something you really want to be to relaxed with. But I agree with HCl, its nothing too scary compared. HF is scary as shit, even th

I would say SO2 fumes is not something you really want to be to relaxed with. But I agree with HCl, its nothing too scary compared. HF is scary as shit, even the low conc i use which is like 1.5%, im still in full PPE gear, even a respirator, it doesn't fume at room temp but still makes me that nervous.