75% Lush
Everclear threw me too but the lack of hangover gave it away, as just like drinking Beer & Schnapps in Germany all evening despite going to bed happy with the World I have never had a hang over.
As for this Grain Alcohol a friend from Chicago brought some home after a business trip to the US, 190% was pretty evil and could only be drunk in extreme moderation, after 6 months there was still half a bottle left but most of the glass inside the bottle had become frosted in that time. You wondered what condition your insides would be in if you drank it regularly.