dirty sink drain mesh, hole with limescale or lime scale and rust on it, dirty rusty bathroom washbowl

aged bacteria bath bathroom broken calcium chalky clean cleaning closeup decalcification descaling detail dirt dirty disgusting equipment fitter fungus hard hole home house household hygiene lavatory lime limescale liquid maintenance metal mineral old plumber plumbing removal rust sanitary scale shower sink soap stain stainless trap unclean washbowl washing water