Abstract: A toilet bowl cleaning device comprising: a container for storing toilet bowl cleaning material adapted to rest upon the toilet's existing water tank; a filling arrangement for charging the cleaning material into said container; and a dispensing mechanism for dispensing a dosage of cleaning material from the container into the water tank, the dispensing mechanism disposed above the level of water in the water tank and comprising: a pipe having a distal end and a proximal end; an opening for cleaning material to enter therein; a dispensing actuation mechanism; and an actuator return mechanism.