A dust-free mixing system for use with drilling fluids having a jet ring
adapter. The dust-free mixing system can have an eductor. The eductor can
have a housing with an axial bore for receiving a first suction induction
port. The first suction induction port is for receiving a first dry
component. The eductor can have a second suction induction port for
receiving a second dry component. The eductor can further have a third
suction induction port for receiving a third dry component.