This build-up can cause several issues, as Matt Kunz notes, "Hot water taps can develop problems such as low water pressure, fluctuating temperatures, and discolored water. The issues can be caused by ...

The boiling water comes from a unit under the sink, and has a spring-loaded separate control ... of the tap applies to the regular hot and cold water mixing from your overall water system, and ...

Robert F. Kennedy Jr. said fluoride 'should not be in our water.' Scientists and dentists say the practice is safe, despite past controversies.