If you observe brown stains in your sink or bathtub, maybe you have iron inside your h2o, which might be a result of galvanized pipes. Spot a coupling bolt on Just about every bolt gap and tighten the coupling bolts using a wrench or socket wrench. Make certain to tighten https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html