Ron Hazelton describes how to clean a faucet aerator to get a sputtering faucet flowing freely again. First unscrew the aerator housing, then remove the black rubber gasket and the aerator underneath. Next remove the screen from the housing. Rinse out the screen from both sides to remove debris. Use a needle to clean particles from the aerator holes, then rinse the aerator. Reassemble the housing (screen, then aerator, then gasket). Lastly, screw the housing back onto the faucet for a smooth water flow.