A dispenser for a laundry treating appliance comprising at least one treating chemistry compartment having a chamber and defining an outlet opening fluidly coupling the chamber to an exterior of the chamber; the at least one chemistry compartment comprising edges, a siphon comprising grooves that receive the edges of the treating chemistry compartment to slideably connect the siphon to the treating chemistry compartment for selectively opening or closing the outlet opening, and an actuator moving the siphon between a first position, wherein the siphon closes the outlet opening to enable the dispenser to operate in a liquid mode, and a second position, wherein the siphon opens at least a portion of the outlet opening to enable the dispenser to operate in a powder mode.