It may simply be that the bathroom faucet doesn’t have a aerator and the kitchen does. This device is screwed on at the spout and adds air/bubbles to the the water, which may improve the taste. They can also restrict flow rate to 2.5 gallons per minute.
Walker2012 t1_iybzbt8 wrote
Reply to ELI5: Why does the water from my kitchen sink taste better than the water from bathroom sink? by [deleted]
It may simply be that the bathroom faucet doesn’t have a aerator and the kitchen does. This device is screwed on at the spout and adds air/bubbles to the the water, which may improve the taste. They can also restrict flow rate to 2.5 gallons per minute.