Residential swimming pool in winter showing needs for professional maintenance in San Mateo, California
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Pool Maintenance & Care

Common Pool Problems to Avoid this Winter

Legendary Pools Team
02/18/2026
Residential swimming pool in winter showing needs for professional maintenance in San Mateo, California

"Avoid winter pool problems! Legendary Pools Inc. offers expert pool maintenance in the Bay Area. Learn how to protect your investment."

Protect Your Investment Year-Round

As the winter months approach, some pool owners will close their pool for good, while others will keep it open year-round. Especially in areas like Morgan Hill, careful pool maintenance is critical to protecting your investment and avoiding costly repairs in the spring. **Legendary Pools** provides expert equipment checks and filter maintenance to help you identify and prevent the most common pool problems this winter season.

Residential pool in San Mateo, California, showing the importance of winter care

Unpredicted Freezing Temperatures

During the winter, it is essential to keep the pool water moving to avoid damage to the equipment. If your winters are not severe but you may occasionally face freezing temperatures, a freeze protection device is highly recommended. These intelligent devices automatically turn the pump on when the air temperature drops to around 34 degrees. A freeze protector keeps your pool running as long as the temperature remains close to freezing, helping you avoid catastrophic equipment damage and expensive plumbing repairs.

Unbalanced Water Chemistry

Even though the pool is being used less often in the winter, it’s still important to regularly check the water’s chemistry. Neglected water allows harmful bacteria and germs to grow, which can stain your plaster and make the water unsafe. The best way to maintain a healthy pool is by properly maintaining the free chlorine concentration and pH levels. To do this, pool owners must routinely test and adjust their water chemistry, or hire **Legendary Pools** for a worry-free weekly service.

Dropping Water Levels

As air temperatures drop and wind speed picks up in the winter, the humidity also drops. This combination of lower humidity and higher wind speeds causes pool water to evaporate faster, leading to dropping water levels. When the water level gets too low, the skimmers can suck air and run dry, causing the pump to lose prime. If this happens, water stops moving through the system, and stagnant water in the plumbing is much more likely to freeze and burst. One of the best ways to ensure the water level stays consistent is to install a safety pool cover, which minimizes evaporation and keeps debris out.

The Dangers of a Neglected Pool

A neglected pool often leads to skimmers and main drains becoming blocked with leaves and other debris. Clogged baskets prevent the pump from moving enough water to cycle the pool effectively, which increases the risk of freezing. Even though it’s cold outside, it’s crucial to clean the skimmer baskets daily if necessary to ensure proper flow and filtration.

Don't let winter weather ruin your backyard paradise. If you need assistance with winterizing, freeze protection, or regular maintenance, contact Legendary Pools today. We'll help ensure your pool is ready for a perfect splash when spring returns!

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Project Tags#Winter Maintenance#Pool Problems#Freezing#Water Chemistry#Water Level

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