Metals like copper and iron can find their way into your pool from source water, plumbing, or even certain algaecides. While small amounts may seem harmless, elevated metal levels can stain surfaces, discolor water, and affect chemical balance. At Infinity Pool Solutions, we help homeowners detect, prevent, and manage metals in pool water before they become a costly problem. How Metals Affect Your Pool Copper: Can cause blue or green staining on plaster, vinyl liners, and poo