By Eric Zima
•
September 16, 2025
As the crisp air settles in and the first signs of frost appear, pool owners in Connecticut know it’s time to prepare their pools for the long, cold winter ahead. Proper winterization is essential for protecting your investment and ensuring an easier, cleaner pool opening come spring. Without it, freezing temperatures and harsh weather can cause costly damage to your pool’s structure and equipment. Here’s a guide to help you get your pool winter-ready in Connecticut’s unique climate. Lower the Water Level One of the first steps in winterizing is lowering your pool’s water level. Connecticut winters are known to bring freezing conditions, leaving water too high can cause expansion damage as ice forms. Lower the level just below the skimmer and returns to help protect these vulnerable areas. For vinyl and fiberglass pools, be sure to follow manufacturer guidelines to avoid structural stress. Winterize Plumbing and Equipment Frozen water in pipes can cause cracks and breakages. To prevent this, blow out the water from your pool’s plumbing lines and add pool-safe antifreeze where needed. Your pump, filter, and heater should also be drained, cleaned, and disconnected if appropriate. This ensures that your equipment stays in good shape and is ready to run efficiently when you reopen in the spring. Add Winterizing Chemicals Balancing your pool’s water chemistry is just as important in the off-season as it is during summer. Shock the water and add algaecide to help prevent algae blooms, which can thrive even under the cover of ice and snow. Using the right mix of winterizing chemicals keeps your water cleaner, reduces staining, and makes spring startup much simpler. Cover and Secure Your Pool A durable, properly fitted winter cover is your best defense against Connecticut’s snowy, windy winters. It helps keep out debris, minimizes light exposure (which encourages algae growth), and protects your water from excess contamination. Be sure to tightly secure the cover to withstand strong gusts and heavy snow loads. For extra safety, consider a safety cover if you have children or pets. Do a Final Pool Area Check Before the season fully shifts, tidy up the area around your pool. Store away accessories, ladders, and diving boards. Trim back any overhanging branches that could break under the weight of snow and damage your pool or cover. A little extra preparation now can prevent headaches later. Why Winterization Matters in Connecticut With New England’s unpredictable mix of snow, ice, and freezing rain, winterizing isn’t just a good practice, it’s a necessity. Taking these steps now will protect your pool from costly damage, extend the life of your equipment, and set you up for a smooth and stress-free opening when warmer weather returns. By giving your pool the care it needs before winter sets in, you’ll save time, money, and frustration in the spring and get back to enjoying your backyard oasis that much faster.