dirty faucet aerator with limescale, calcified shower water tap with lime scale in bathroom, close up

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