How do you clean these faucets if there is sediment or buildup blocking the flow

Normally it can be cleaned by water and soft cloth or sponge scouring pad etc. If you have hard water, we suggest that paying more attention in daily maintenance, such as dry up water immediately every time after use and clean it up regularly, or use dilute vinegar water regularly for cleaning if needed. This way can help preventing hard water spots and mineral buildup.