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A water blasting apparatus and related method are adapted to clean equipment. The apparatus includes a track having telescoping rails, a connector moveable along the track, and a water blasting device adapted to shoot water at a pressure above 1000 psi, joined with the connector. One or more rare earth magnets join the track with a ferromagnetic structure, thereby holding it in a fixed orientation relative to the equipment to be cleaned. The apparatus can include a proximity sensor to ensure the track is adequately anchored, and an auto shut-off system when it is not. The method can include connecting the water blasting device to the track, magnetically coupling the track to a structure so that the nozzle is proximal equipment, and so that the elongated track is maintained in a fixed orientation, and shooting water at high pressure toward the equipment, while safely restraining the water blasting device.