HOT OR COLD?
If the amount of hot and cold are unbalanced, the first things to check, Boyer says, are any shutoff valves that are integral to the supply piping. They could be faulty or just not open completely. If it’s only hot that’s lacking, you could have a water heater issue, but more likely it’s calcium buildup in the fixture itself. Boyer says most municipal water has a disinfecting additive called chloramine that will cause calcification, especially in the hot side of a fixture. Chloramine is also known to break down rubber seals. A whole-house carbon filter can remove the chlorine and contaminants, including particulate matter, but it won’t remove any of the ammonia found in chloramine.…
