Hard water stains on a residential backyard pool in Clairemont Mesa, San Diego, showing calcium scale buildup and cloudy water with drought-tolerant Southern California landscaping around a mid-century ranch home.
Clairemont Mesa

Hard Water Stains in Clairemont Mesa Pools: Causes, Warning Signs, and Solutions

/

Hard water stains in Clairemont Mesa pools come from the high mineral content in San Diego’s tap water, mainly calcium,