US Patent 10286365 Dispensing system for cakeable materials

A dispensing system for delivery of a dispersant from a canister containing an erodible but cakeable water dispersant wherein the cakeable water dispersant in a one piece caked condition falls to a bottom of a divergent walled canister so the water flowing through a bottom portion of the canister continues to maintain erodible contact with the dispersant as the water disperant is consumed.