The present invention is directed to a device for receiving and holding a
plurality of unit doses of a detergent composition and/or additive and
for individually dispensing said unit doses into an automatic dishwashing
machine over a plurality of washing cycles, wherein the device comprises
(i) a housing adapted to receive said plurality of unit doses each
separately contained in a package or compartment thereof, (ii) means for
opening said package or compartment or for at least partly ejecting said
unit dose therefrom; and (iii) means to allow access of water or wash
liquor to said unit doses contained in the opened package or compartment
or ejected therefrom within a controlled time period after opening
thereof to allow dissolution of the unit dose into the water or wash
liquor of the machine, as well as to a blister pack for use therewith.