H2o Discoloration: The iron and minerals as part of your pipes can transform your drinking water brown. A straightforward brown stain in the vicinity of your tap can also be an indicator of rusted pipes. Leaks: Corrosion or rust on the surface of your respective pipes (normally round the joints) https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html