Trust me, it is hard to detect things such as vanilla, butterscotch, lime, clean fruit or what ever other names persons give towards the subtle discrepancies in aroma. For lots of whiskeys, adding water to it might open up the whiskey and make different aromas extra available into the nose https://codyhewof.wikifiltraciones.com/3045589/the_definitive_guide_to_whisky_blending_water