Water contaminants such as acids and dissolved gasses can corrode the enamel from you bathroom fixtures and leave you with rust or greenish stains. Aside from ruining your décor, these can create a health hazard if the pipes pass on lead and other metals as they corrode.
Purified Bathroom Water
The quality of water needed for your bathroom may not be as strict as that for clean drinking water but is still important for the purposes it does serve. Purified bathroom water must be safe and protect you and your fixtures.