The only way to eliminate calculus build up is by brushing and flossing frequently. It takes pyhsical removal of the placque before it calcified into the hard tarter, or calculus. Some people will have more tendency to build up calculus because of the chemical composition of their saliva.
Brasso is a metal polish designed to remove tarnish from brass, copper, chrome and stainless steel. It is available either directly as a liquid or as an impregnated wadding pad.
Cioppino is traditionally made from the catch of the day, which in San Francisco is typically a combination of Dungeness crab, clams, shrimp, scallops, squid, mussels, and fish all sourced from salt-water ocean; in this case the Pacific.