Water. The life giving liquid created by the bonding of two hydrogen atoms to one oxygen atom. We can't live without it. It quenches the thirst that no other liquid can quench. It is good.
It is good, that is...only when it is, in fact, good. Bad water can be quite detestable.
Below are two pictures taken in my house. This is the water that is coming out of the tap. The lower picture (toilet) is the "clean" water after the flush. I'm not lying.
I'm a little scared. Yikes.