Remove the faucet handle and expose the cartridge stem. Of course, there are particular plumbing jobs that any capable do-it-yourselfer can deal with, this kind of as changing shower and faucet heads, installing toilets, and hooking up washing machines and sinks. If you’re not a DIY guy and simply don’t want to get into trouble removing and fixing shower heads for cleaning, (option 1) this is the best method you can follow.