Blitz Q #139: Why does a faucet need an aerator?

I was thinking about this when washing my hands a bit ago and the water stream was all broken up (whoever installed it tightened it way too much so I can't unscrew and clean it... yet). I remembered when I had to replace an old faucet before that they kept talking about making sure to … Continue reading Blitz Q #139: Why does a faucet need an aerator?