a hand holding shower head with running water against rusty bathtube with limescale, bathroom clining and decalcifying

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