[quote=@Mammalia] Certain about what? [/quote] That that's why. [quote=@Multifarious] I'm a "I'm just glad the glass has some water in it" kind of guy. [/quote] I'm a "let me calculate how many moles of Hydrogen Hydroxide are in that glass" kind of guy. [quote=@Multifarious] I thought that was how a lot of the bad guys were. That's how it was for me, at least. [/quote] Agreed.