what kind of water ???

[jaeneke]

i have a question about the "water" that some people use to mix there own water/methanol...

i've installed a aquamist system a few weeks ago and i'm driving on windshield washer fluid...
now i want it to mix it by myselves !

but... what kind of water do you people use ??? distilled or plain water or....

maybe it is a stupid question but i don't want to kill the pump or my engine !