Plumbing Myths That Made Grandma Worry—and Why They’re Wrong.

Grandma’s plumbing wisdom came in equal parts caulk and caution—and half of it was straight-up wrong. While her intentions were golden, modern plumbing tools and techniques have left the old myths rusty and irrelevant. We’re pulling the plug on fear-based folklore with clear, factual fixes that help you act fast, spend smart, and feel confident—no duct tape required.