If you're using it for photographic stuff, buy isopropanol online. The drug store rubbing alcohol is crap and you can get 99.5% grade fairly cheaply online (at least if you can get it shipped to you).
Originally Posted by kintatsu
But yes, there's so much hype about green this, green that. Not a whole lot of talk about how ungreen semiconductor manufacture is, unsurprisingly.
Stop worrying about grain, resolution, sharpness, and everything else that doesn't have a damn thing to do with substance.