Phoenix tap water regularly tests above 200 ppm hardness, well past the EPA’s “hard” threshold of 120 ppm. That mineral load does not just clog showerheads and leave spots on dishes. Over the years, it quietly attacks the pipes running through your walls and under your slab. By the time most homeowners notice warning signs, the damage is already widespread. Penguin Air, Plumbing & Electrical, a BBB A+ rated plumbing company serving the Phoenix Valley since 2011, helps homeowners determine when patching pipes stops making sense…








