Activity

They notice it first on the white farmhouse sink—rust-tinted streaks refusing to come off no matter how how a fluoride filter system works hard they scrub. Then the brittle towels. The metallic taste in morning coffee. And the faint, sulfuric whisper in the shower that turns most guests off before they’ve rinsed the shampoo. That was everyday life for the Asfaw family—Mikal Asfaw (41), a high school math teacher, and his wife, L