water

If it's too hot, it will kill you; if it's too cold...well, you get the picture.

I suggest cutting it with distilled grain alcohol in a ratio of 8:1.

That rusty hydrogen will dissolve more stuff than any known acid. Please be wary of it.

1000s of people die every year in the US alone of issues relating to dihydrogen oxide!

and the 'food police' involved.

It'll make you pee like a racehorse!

in every cancer tumour ever tested.

I probably wont

If it's expired, you'll have to add water because the original turned to background radiation.