https://www.thespruce.com/why-you-need-to-install-faucet-aerators-1821314
有时街上water main shut off / repair 后许多小沙石绣片都进了家里的管道,要清理一下。
有些 aerator 躲在龙头嘴里面,家里备一套 aerator keys 很有用:
https://www.homedepot.com/p/NEOPERL-Cache-Hidden-Aerator-Keys-37-0298-98/207143875