The present disclosure relates to apparatuses, kits and methods for testing quality. The water testing apparatus for analyzing at least one parameter and/or at least one substance from water flowing through a faucet and/or a water pipe comprises at least one sensor configured to directly contact said water flowing through said faucet and/or said water pipe, and an analyzer for analyzing said at least one parameter and/or at least one substance, said analyzer being in communication with said at least one sensor.