Identifying and Resolving Pool Stains in California: Expert Tips for a Pristine Pool Bottom

Executive Summary Stains on the bottom of your pool almost always come from one of four sources—metals, organic growth/debris, calcium scale, or finish damage—and they show up first in deep-end “dead spots” where particles settle and bond. The definitive fix is to identify the stain type with a controlled spot test, then correct the underlying […]