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Not sure what's wrong? Describe what you're seeing, hearing, smelling, or experiencing — or upload a photo. Our AI Plumber can help narrow down possible causes and explain what to do next.

Know approximately where the problem is? Choose the fixture or symptom closest to what you're experiencing and review common causes, safe homeowner checks, and when professional help may be needed.

Want to understand how something works? Explore simple plumbing explanations, diagrams, common problems, maintenance tips, and homeowner-friendly guides.

Already have some information? Use our free tools for water pressure, meter leak checks, repair-versus-replace decisions and other common plumbing questions.