Both PEX and copper are good options; however, both have some advantages and disadvantages as well. PEX is less expensive, and fast to install, while copper is more expensive and can burst in cold weather.
Clogs can lead to serious plumbing emergencies that require costly repairs. Using drain covers and traps can help you keep your pipes clear! Get more tips on keeping your sewers and drains clean on this infographic from a Seattle plumbing company.