Understanding Why Your Pool Plaster Feels Like Sandpaper: Causes and Solutions in California

Executive Summary Pool plaster that feels like sandpaper is either a removable deposit (most commonly calcium scale) or permanent surface change (etching, aggregate exposure, or a workmanship texture issue), and the definitive fix is to confirm which one you have using a cloth wipe, a controlled acid fizz test, and full water chemistry with LSI. […]