suited for on premise laundry opl and machine ware wash mww applications however it should be appreciated that the systems and methods described herein may be used for any suitable chemical distribution applications fig1 is a block diagram of a powdered and liquid chemical distribution system 100 the system 100 includes a chemical distribution hub 104 sometimes referred to as a transport module that dispenses and or distributes water and one or more chemicals to devices such as washers 102 a and 102 b along tubes or lines 116 in some embodiments only a single tube or line is run to each device unlike current systems which typically require more than one line to each device as will be explained in further detail below water is supplied from one or more water sources 110 such as a municipal or city water supply one or more powdered chemicals may be provided by one or more powdered chemical sources 106 that are coupled to the hub 104 via one or more tubes or lines 112 in some embodiments the water from the water source 110 is also provided to the hub 104 along the same lines 112 that supply the powdered chemical s also in some embodiments the powdered chemical sources receive disposable powdered chemical refill containers 118 a suitable powdered chemical source and or container is disclosed in applicant 39 s us patent publication no us 2005 0247742a 1 entitled u201c metering and dispensing closure u201d the entire contents of which are incorporated herein by reference in addition one or more liquid chemicals may be provided.