Red flags
Signs you should not ignore
Cloudy or discolored water, persistent odors, strange aftertastes and recurring stains or spots on dishes and fixtures are common reasons homeowners ask about filtration. Noting when and where each one appears, such as only on hot water or only at one tap, helps narrow down the cause.
Some of these signs have plumbing causes rather than water-quality causes, such as discoloration from a corroded fitting or an odor that comes from the water heater. Part of the conversation is ruling those out so the treatment addresses the real concern.
