"I think so? But I was only interested in the salt."

As for how water's supposed to feel...he's not quite sure if he can't describe it. He's not sure if humans can tell the difference. Well, they must be able to, or else why would they add it to their baths?

"I just mean how salt water tastes better and feels better when I'm in it than fresh water. I'm assuming humans are able to notice that, too?"