5 Essential Steps to Closing Your Inground Pool for Winter

5 Essential Steps to Closing Your Inground Pool for Winter

5 Essential Steps to Closing Your Inground Pool for Winter

Winterizing your inground pool is a crucial step that must be taken before the first frost strikes to protect it from damage caused by freezing temperatures. If you don’t properly close your pool, you may end up with cracked pipes, a damaged liner, and other costly repairs come springtime. But fear not, this guide will take you through the necessary steps to close your inground pool like a pro, ensuring it remains pristine and ready for the next swimming season.

Before taking the plunge, gather the necessary supplies. You’ll need a pool cover, winterizing chemicals, a submersible pump, a leaf skimmer, and a test kit. Once you have your arsenal of tools, start by cleaning the pool thoroughly. Remove any leaves or debris floating on the surface or settled at the bottom. Next, use a leaf skimmer to remove any leaves or debris from the water’s surface. Balancing the water chemistry is also crucial for preventing algae growth and other issues during the winter months. Test the water and adjust the pH levels and alkalinity accordingly.

Now it’s time to shock the pool with a dose of chlorine to kill any remaining bacteria. Brush the pool walls and vacuum the pool’s bottom to remove any dirt or debris. Lower the water level about 6 inches below the skimmer opening to prevent ice damage. Install the winter cover over the pool and secure it with water bags or other weights to prevent wind from blowing it away. Finally, run the pump for several hours to circulate the winterizing chemicals throughout the pool. By following these steps, you can rest assured that your inground pool will be well-protected and ready for another season of fun once the warm weather returns.

Safety First: Considerations Before Closing

Closing an inground pool requires careful planning and safety precautions to ensure a smooth and accident-free process. Here are some key considerations before embarking on this task:

Planning and Preparation

  • Gather necessary equipment: Safety goggles, gloves, pool cover, shock treatment, algaecide, and a water testing kit are essential.
  • Check weather forecast: Avoid closing the pool during inclement weather, as it can create hazards and affect chemical balance.
  • Have a helper: Enlist a helper to assist with tasks such as cleaning, covering, and handling chemicals.

Chemical Balance

  • Maintain proper water chemistry: Test the pool water and adjust pH and alkalinity to recommended levels to prevent algae growth and corrosion.
  • Shock the pool: Apply shock treatment to kill bacteria and contaminants, ensuring a clean and clear pool come spring.
  • Add algaecide: Prevent algae formation during the closed season by adding an algaecide, following the manufacturer’s instructions.

Cleaning and Maintenance

  • Remove debris: Use a skimmer and vacuum to remove any leaves, dirt, or debris from the pool before closing.
  • Clean tile and coping: Scrub the tile and coping around the pool to remove dirt and prevent stains.
  • Draining the Pool Water Effectively

    Properly draining your pool water is crucial for a successful pool closure. Follow these steps to ensure a thorough and effective draining process:

    1. Disconnect Equipment and Backwash Filter

    Before draining the water, disconnect all pool equipment, including the pump, filter, and heater. Backwash the filter thoroughly to remove any accumulated debris.

    2. Lower Water Level to Skimmer Openings

    Using a submersible pump or a garden hose connected to a drain, begin draining the water until it reaches the level of the skimmer openings. This step is essential to prevent damage to the skimmer baskets and pumps when the pool is empty.

    3. Drain Below Skimmer Level

    Once the water level is below the skimmer openings, switch to a smaller pump or siphon to continue draining. Slowly lower the water level below the skimmer pipes and pump housing to prevent water from freezing and causing cracks during winter.

    4. Remove Remaining Water

    After draining the main pool, there may still be some water in the deep end, steps, and coves. Use a wet/dry vacuum or wet towels to remove the remaining water. Pay close attention to areas where water can settle and freeze, such as the recessed light niches.

    Pool Size Suggested Submersible Pump Capacity
    Up to 15,000 gallons 1,500 – 2,500 gallons per hour
    15,000 – 30,000 gallons 2,500 – 3,500 gallons per hour
    Over 30,000 gallons 3,500 gallons per hour or higher

    Balancing Pool Chemistry for Winterization

    Before closing your inground pool for the winter, it’s crucial to balance the pool chemistry. This will ensure that the water remains chemically stable and prevents algae and other microorganisms from growing during the off-season. Follow these steps to properly balance your pool water:

    1. Test the Pool Water

    Using a test kit, check the following parameters:

    Parameter Winter Range
    pH 7.2 – 7.6
    Total Alkalinity 80 – 120 ppm
    Calcium Hardness 180 – 220 ppm
    Cyanuric Acid 30 – 50 ppm

    2. Adjust pH and Alkalinity

    Use pH increaser or decreaser to adjust the pH to the recommended range. Adjust total alkalinity using sodium bicarbonate or muriatic acid.

    3. Adjust Calcium Hardness and Cyanuric Acid

    Calcium hardness can be increased by adding calcium chloride. If it’s too high, use scale remover or muriatic acid. Cyanuric acid, which protects against UV damage, can be raised using cyanuric acid stabilizer or lowered using the chlorine destroyer. The ideal range for cyanuric acid is determined by the type of sanitizer being used:

    Sanitizer Cyanuric Acid Range
    Chlorine 30 – 50 ppm
    Bromine 40 – 60 ppm
    Saltwater 60 – 80 ppm

    Remember to follow the manufacturer’s instructions carefully when adding chemicals to your pool water.

    Plugging and Removing Equipment

    Before you can close your pool for the winter, you need to plug and remove all of the equipment. This includes the pump, filter, heater, and any other accessories that you have connected to your pool. To plug the equipment, simply unplug it from the electrical outlet. To remove the equipment, follow these steps:

    1. Turn off the power to the equipment.
    2. Disconnect the hoses from the equipment.
    3. Remove the equipment from the pool.
    4. Store the equipment in a dry place.

    Once you have plugged and removed all of the equipment, you can close your pool for the winter.

    Draining the Pool

    The first step in closing your pool is to drain it. To do this, you will need to connect a submersible pump to the skimmer and pump the water out of the pool. Once the pool is drained, you will need to clean the pump and filter. To clean the pump, remove the impeller and clean it with a hose. To clean the filter, backwash it according to the manufacturer’s instructions.

    Cleaning the Pool

    Once the pool is drained, you will need to clean it. To do this, you will need to brush the walls and floor of the pool with a pool brush. You will also need to vacuum the pool to remove any debris. Once the pool is clean, you will need to add a winterizing chemical to the water. This chemical will help to prevent the water from freezing and damaging the pool.

    Item Quantity
    Pool brush 1
    Pool vacuum 1
    Winterizing chemical 1 gallon

    Covering the Pool Surface for Protection

    Once the water has been removed, it’s time to cover the pool surface for protection. There are various types of covers available, each with its own benefits. Here’s an overview of the most common options:

    1. Mesh Covers

    Mesh covers are made from a durable mesh fabric that allows water to pass through while keeping out debris. They are lightweight and easy to install, but they do not provide much protection against cold weather or UV rays.

    2. Solid Covers

    Solid covers are made from a heavy-duty vinyl or polyester material that is completely waterproof. They provide excellent protection against debris, cold weather, and UV rays, but they can be more expensive and difficult to install.

    3. Automatic Covers

    Automatic covers are the most expensive and convenient option. They are motorized and can be opened and closed with the push of a button. Automatic covers provide the best protection against debris, cold weather, and UV rays, but they require professional installation and maintenance.

    4. Solar Covers

    Solar covers are made from a special material that absorbs sunlight and heats the pool water. They help to extend the swimming season and reduce energy costs. Solar covers can be made from either mesh or solid material.

    5. Safety Covers

    Safety covers are designed to prevent accidental drowning. They are made from a strong, durable material that can support the weight of people or animals. Safety covers are typically more expensive than other types of covers, but they provide the best protection against drowning.

    The type of cover you choose will depend on your budget, needs, and climate.

    Protecting the Pool Liner from Freezing

    Freezing temperatures can wreak havoc on your pool liner, causing it to tear or crack. To prevent this damage, take the following steps:

    1. Lower the water level: Drain the water to a level that is 12-18 inches below the skimmer opening. This will reduce the weight of the water on the liner, preventing it from stretching and tearing.

    2. Add a pool cover: Invest in a high-quality pool cover that is the correct size for your pool. The cover should be made of a durable material that will withstand the elements and prevent debris from accumulating on the liner.

    3. Use water tubes: These inflatable tubes are placed around the perimeter of the pool and help to absorb the force of the ice when it expands. This prevents the liner from being pushed up and out of the pool.

    4. Install a freeze-guard system: This system circulates a small amount of warm water through the pool lines, preventing the water from freezing and damaging the liner.

    5. Remove all objects from the pool: Including toys, ladders, and skimmers. These objects can put pressure on the liner when the water freezes.

    6. Additional Tips for Protecting the Pool Liner from Freezing:

    Water Level[1] Water Temperature[2] Recommended Action
    At or above 50% Above 50°F None
    40-50% 40-50°F Cover pool and use water tubes
    Below 40% Below 40°F Drain pool, cover, and install freeze-guard system


    [1] Water level should be 12-18 inches below the skimmer opening.
    [2] Water temperature should be measured at the deepest part of the pool.

    Preserving the Pool Pump and Filter

    Before closing your inground pool for the winter, it’s crucial to adequately prepare your pump and filter system. Here’s a step-by-step guide to ensure they remain in optimal condition during the off-season:

    1. Turn Off Electrical Power

    Disconnect the breaker or fuse that powers the pool equipment. This safety measure prevents any accidental start-ups while working on the system.

    2. Drain the Pump and Filter

    Use a bucket or submersible pump to drain all water from the pump and filter housing. Remaining water can freeze and cause damage during freezing temperatures.

    3. Clean the Filter Elements

    Remove and clean all filter elements, such as cartridges or DE grids. Rinse them thoroughly with water to remove any debris or buildup.

    4. Backwash the Filter

    If your filter has a backwash function, perform a thorough backwash to remove any remaining dirt or debris. This helps prevent clogs and keeps the filter operating efficiently.

    5. Lubricate the Pump

    Apply a pump lubricant to the pump seal and O-rings. This will help reduce friction and extend the pump’s lifespan.

    6. Winterize the Pump and Filter

    Cap off the pump and filter openings with winterizing plugs to prevent any water from entering and freezing. Also, wrap the pump and filter with an insulated cover for added protection.

    7. Protect Against Freezing

    Create a protective barrier around the pump and filter. Build a small enclosure using plywood or other insulating materials to shield them from extreme cold and wind. Fill the enclosure with old towels, newspapers, or packing peanuts for insulation. This additional padding will provide extra protection against freezing temperatures and potential damage to the equipment.

    Item Quantity
    Pool pump winterizing plugs As needed
    Pump lubricant 1 tube or bottle
    Insulated pump and filter cover 1 for each unit
    Old towels, newspapers, or packing peanuts As needed
    Plywood or other insulating materials As needed

    Preventing Algae and Bacteria Buildup

    Keeping your pool free of algae and bacteria is essential for a safe and enjoyable swimming experience. Here are some additional tips to help you achieve that:

    8. Balanced Pool Chemistry

    Maintaining proper pool water chemistry is crucial. Ensure appropriate levels of chlorine or other sanitizers, pH, and alkalinity. An imbalanced chemical profile creates a favorable environment for algae and bacteria growth. Refer to the following table for recommended ranges:

    Parameter Range
    Chlorine or Bromine 1-3 ppm
    pH 7.2-7.8
    Total Alkalinity 80-120 ppm
    Calcium Hardness 200-400 ppm

    Winterizing the Inground Pool’s Accessories

    Once you’ve drained your inground pool and prepared it for the winter, it’s time to winterize any associated accessories, such as filters, pumps, and lighting. Here’s a detailed guide to ensure all your accessories are protected during the cold weather months:

    Pump and Filter

    1. Disconnect the pump from its power source.

    2. Drain all water from the pump and filter, using a wet/dry vacuum or opening the drain plugs.

    3. Remove the pump lid and basket, and clean them thoroughly.

    4. Apply a small amount of lubricant to the pump seal.

    5. Store the pump and filter in a dry, frost-free location.

    Valve and Fittings

    6. Close all drain valves.

    7. Disconnect any hoses or accessories from the fittings.

    8. Apply a small amount of lubricant to the valves and fittings.

    Lighting

    9. Remove all light fixtures from the pool, including the bulbs, niches, and transformers.

    9.1. Remove the bulbs by twisting them counterclockwise, then carefully lifting them out.

    9.2. Remove the niches by unscrewing the bolts that hold them in place.

    9.3. Disconnect the wires from the transformers, then remove the transformers from their housings.

    10. Store the light fixtures, bulbs, and transformers in a dry, frost-free location.

    Post-Closing Inspection and Maintenance

    Once you’ve closed your pool, it’s important to perform a post-closing inspection and follow a maintenance schedule to ensure it stays in good condition throughout the winter. Here’s a detailed guide:

    1. Drain and Rinse the Pool

    Drain the pool below the skimmer level and rinse the walls and floor to remove any remaining debris.

    2. Remove Equipment

    Remove the pump, filter, heater, and any other equipment from the pool and store them in a warm, dry place.

    3. Remove Rails and Covers

    Take down the pool rails and any other removable covers, such as solar blankets or automatic covers.

    4. Clean and Lubricate Pool Equipment

    Clean all pool equipment to remove dirt, grime, and debris, and lubricate moving parts for smooth operation in the spring.

    5. Lower the Water Level

    Lower the water level in the pool slightly below the skimmer level to prevent it from freezing and damaging the pool liner.

    6. Add Winterizing Chemicals

    Add winterizing chemicals, such as algaecide and pool antifreeze, to the pool water to prevent algae growth and protect the pool from freezing.

    7. Cover the Pool

    Secure a heavy-duty pool cover over the pool to protect it from rain, snow, and debris throughout the winter.

    8. Inspect the Pool Regularly

    Periodically check the pool cover for tears or damage, and adjust it as needed to prevent water from accumulating or freezing on top of the cover.

    9. Check Water Chemistry

    Test the pool water chemistry regularly to ensure that it remains balanced and prevent damage to the pool liner and equipment.

    10. Winterizing the Pool Heater

    If you have a pool heater, drain it completely and blow out any remaining water in the lines using a shop vacuum. Disconnect the heater and store it in a dry place for the winter.

    How To Close An Inground Pool

    Closing your inground pool for the winter is an important task that will help to protect your pool from damage and keep it clean. By following these steps, you can ensure that your pool is ready for winter and will be ready to use again in the spring.

    1. Clean your pool thoroughly. This includes vacuuming the pool, brushing the walls and steps, and skimming the surface of the water.
    2. Lower the water level in your pool by about 6 inches. This will help to prevent the water from freezing and expanding, which could damage your pool.
    3. Add a pool cover. A pool cover will help to keep your pool clean and free of debris.
    4. Disconnect all of the pool equipment. This includes the pump, filter, and heater.
    5. Add a winterizing chemical to your pool. This chemical will help to prevent the water from freezing and damaging your pool.

    People Also Ask About How To Close An Inground Pool

    What is the best way to clean my pool before closing it for the winter?

    The best way to clean your pool before closing it for the winter is to vacuum the pool, brush the walls and steps, and skim the surface of the water.

    How much should I lower the water level in my pool before closing it for the winter?

    You should lower the water level in your pool by about 6 inches before closing it for the winter.

    What type of pool cover should I use?

    There are many different types of pool covers available, so you should choose one that is right for your pool and your needs.

    How do I disconnect the pool equipment?

    To disconnect the pool equipment, simply turn off the power to the equipment and then disconnect the hoses.

    What is a winterizing chemical and how do I use it?

    A winterizing chemical is a chemical that helps to prevent the water from freezing and damaging your pool. To use a winterizing chemical, simply add it to your pool water according to the manufacturer’s instructions.