From a swimming perspective, and leaving out any kind of nibbling fish, I would rather swim in water that didn't have residual feed oils in it.
You mean you don't like swimming in a chum slick? LOL
I do try to avoid it when possible...
Excerpt from Robert Crais' "The Monkey's Raincoat:" "She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."
