... floating and sinking fish feed. Floating fish feed stays at the top of the water for fish to feed on, while the sinking fish feed falls to the bottom for fish ... feed on. This fish feed is an example of complete diets.This line consists of mixer, double-screw extruder, air conveyor, dryer ... and coating machine,hoister,oil spaying,flavoring line. Floating Pellet Size : 0. ...