When the summer season draws to a close, it’s time to think about closing your inground pool. Proper pool closure is crucial to protect your investment and ensure it’s ready for the next swimming season. Neglecting this important task can lead to costly repairs and even structural damage to your pool. Follow these comprehensive steps to guide you through the process of closing your inground pool, ensuring it remains in pristine condition throughout the winter months.
Before commencing the pool closure process, it’s essential to ensure the water chemistry is balanced. This involves adjusting the pH levels, alkalinity, and chlorine content to optimal ranges. Balanced water chemistry prevents algae growth, scaling, and corrosion during the off-season. Once the water chemistry is in check, it’s time to clean the pool thoroughly. Use a pool vacuum to remove dirt, debris, and any settled particles from the bottom and sides of the pool. Additionally, scrub the pool walls and steps to remove any algae or stains that may have accumulated over the summer. Thorough cleaning ensures the pool is free from contaminants that could cause problems during closure.
After cleaning the pool, the next step is to lower the water level. This is necessary to prevent the water from freezing and expanding, which could damage the pool walls or liner. The ideal water level is approximately 12 inches below the skimmer opening. Once the water is lowered, disconnect all equipment, including the pump, filter, and any additional accessories. Store all equipment in a dry location to protect them from the elements during the winter. Finally, add a winterizing chemical to the pool water. This chemical helps prevent algae growth and scaling and protects the pool equipment from freezing. Follow the manufacturer’s instructions carefully to ensure proper dosage and effectiveness.
Assessing Pool Condition and Preparing for Closure
Before closing your inground pool for the season, it’s crucial to assess its condition and prepare it for closure to ensure its longevity and minimize maintenance come spring. Here is a comprehensive guide to help you do it right:
Pool Water Condition
Chemical Balancing: Maintain proper water chemistry levels for the closure period. Adjust pH to between 7.2 and 7.6, and shock the pool with chlorine to kill bacteria and prevent algae growth.
Calcium Hardness: Check and adjust calcium hardness to the recommended range of 200-400 ppm to prevent scaling and etching on pool surfaces.
Cyanuric Acid (CYA): Test CYA levels and add stabilizer as necessary to protect chlorine from sunlight degradation.
Algaecide: Apply a non-foaming algaecide to prevent algae growth during closure.
Pool Equipment
Filter and Pump: Clean or replace the filter cartridge or media, and backwash the filter to remove debris. Lubricate the pump motor if necessary.
Heater: Turn off the pool heater and drain any remaining water to prevent freezing damage.
Automation System: Set the automation system to "off," and remove batteries or unplug the unit to prevent unnecessary operation during closure.
Pool Surface
Clean the Pool: Use a pool brush, vacuum, and skimmer to remove all debris, leaves, and dirt from the pool floor and walls.
Remove Pool Toys and Accessories: Take out all pool toys, floats, and accessories, and store them in a dry and sheltered place.
Cover Installation
Select a Pool Cover: Choose a cover that fits your pool’s shape and size properly.
Clean the Cover: Before installing the pool cover, clean it thoroughly to remove dirt and debris.
Secure the Cover: Anchor the pool cover securely to the deck or pool coping using straps, cables, or water bags to prevent wind damage.
Draining the Pool Water
To drain your inground pool, you will need to follow these steps:
- Turn off the pool pump and filter.
- Connect a submersible pump to a garden hose and place the pump in the deepest part of the pool.
- Run the pump until the water level is below the skimmer opening.
- Once the water level is below the skimmer opening, you can use a shop vacuum to remove the remaining water from the pool.
- Once all of the water has been removed from the pool, you can remove the pump and hose.
Tips for draining your inground pool:
- If you have a large pool, it may take several hours or even days to drain it completely.
- Be sure to dispose of the pool water properly. Do not dump it into a storm drain or onto your lawn.
- If you are having trouble draining your pool, you can contact a professional pool service company for assistance.
Draining the Pool Water by Using a Submersible Pump
A submersible pump is a type of pump that can be used to drain water from a pool. Submersible pumps are designed to be placed underwater, and they can pump water from depths of up to 20 feet. To use a submersible pump to drain your pool, you will need to follow these steps:
- Gather your materials. You will need a submersible pump, a garden hose, and a bucket or other container to hold the water.
- Attach the garden hose to the submersible pump.
- Place the submersible pump in the deepest part of the pool.
- Turn on the submersible pump.
- The submersible pump will begin to pump water out of the pool. You can use the bucket or other container to collect the water.
- Once the water level in the pool has dropped below the skimmer opening, you can turn off the submersible pump.
| Pros | Cons |
|---|---|
| Can be used to drain water from depths of up to 20 feet | Can be expensive to purchase |
| Can be difficult to operate | Can be noisy |
Lowering the Water Table
To properly close your inground pool for the winter, it’s important to lower the water table. This will help prevent the pool from freezing and damaging the liner or other components.
There are two main methods for lowering the water table: manually or with a submersible pump.
Manual Method
The manual method involves using a bucket or pump to remove water from the pool until it reaches the desired level. This can be a time-consuming process, but it’s a good option if you don’t have a submersible pump.
Submersible Pump Method
A submersible pump is a more efficient way to lower the water table. Simply place the pump in the pool and turn it on. The pump will remove water from the pool until it reaches the desired level.
When lowering the water table, it’s important to remove all of the water from the skimmer and pump baskets. This will help prevent freezing and damage to the equipment.
Table: Recommended Water Levels for Pool Closure
| Pool Type | Recommended Water Level |
|---|---|
| Vinyl-Liner Pool | 6-8 inches below the top of the liner |
| Fiberglass Pool | 12-18 inches below the top of the pool |
| Concrete Pool | 18-24 inches below the top of the pool |
Cleaning the Pool Surface
Before you close your pool for the winter, it’s important to clean the pool surface thoroughly. This will help to prevent algae and other contaminants from building up over the winter months.
Brushing the Pool Walls and Floor
Use a pool brush to scrub the walls and floor of the pool. Be sure to pay attention to areas where algae or dirt has accumulated.
Vacuuming the Pool
Once you’ve brushed the pool, vacuum it to remove any dirt or debris that has settled on the bottom.
Skimming the Pool Surface
Use a pool skimmer to remove any floating debris from the surface of the pool. This will help to prevent the debris from settling on the bottom of the pool and becoming a breeding ground for algae.
Draining the Pool Water Below Skimmer Level
After cleaning the pool surface, drain the pool water to below the level of the skimmer. This will help to prevent the skimmer from freezing and breaking during the winter months.
| Drain the Pool Water Below Skimmer Level |
|—|—|
| Tools needed: Pool pump, hose |
| Steps: |
| | 1. Connect the pool pump to a hose and place the other end of the hose in the sewer or another designated drainage area. |
| | 2. Turn on the pool pump and allow the water to drain until it reaches below the level of the skimmer. |
| | 3. Once the water has drained, turn off the pool pump and disconnect the hose. |
Removing Pool Equipment and Accessories
Shutting Down the Pump and Filter
Turn off the circuit breaker or switch for the pool pump. Close all valves connected to the pump and filter, including the suction and return lines. Drain the water from the pump and filter by opening the drain plugs or valves.
Removing Skimmers and Returns
Remove the faceplates from the skimmers and returns. Remove the baskets from the skimmers and empty any debris. Close the flapper valves in the skimmers to prevent water from entering the pool.
Winterizing Ladders and Handrails
Remove any loose or movable ladders and handrails from the pool. Store them in a dry, protected area where they will not be exposed to the elements.
Disconnecting Chemicals and Feeders
Disconnect any chemical feeders or chlorine generators from the pool’s plumbing. Remove and store the feeders in a safe location. Adjust the pH and alkalinity of the pool water to within proper ranges.
Winterizing Pool Cover
Install a sturdy winter pool cover over the pool to protect it from debris, ice, and snow. Secure the cover tightly around the edges of the pool and weigh it down with water bags or other weights to prevent it from blowing away.
| Item | Storage Location |
|---|---|
| Pool Pump | Garage, Basement, or Dry Storage Shed |
| Pool Filter | Garage, Basement, or Dry Storage Shed |
| Skimmer Baskets | Garage, Basement, or Dry Storage Shed |
| Ladders and Handrails | Garage, Basement, or Dry Storage Shed |
| Chemical Feeders and Chlorine Generators | Garage, Basement, or Dry Storage Shed |
Disconnecting Plumbing Lines and Electrical Components
Plumbing Lines
Before freezing temperatures arrive, it’s crucial to disconnect your pool’s plumbing lines to prevent damage from freezing water. Follow these steps:
- Turn off the pump and filter system: This will stop the flow of water through the lines.
- Locate the plumbing valves: These valves are typically located near the pump and filter. Close them to prevent water from entering the pipes.
- Blow out the lines: Use an air compressor to blow out any remaining water from the lines. This will help prevent freezing and potential damage.
- Plug the lines: Insert plugs or caps into the open ends of the lines to keep out debris and prevent freezing.
Electrical Components
In addition to disconnecting the plumbing lines, it’s equally important to disconnect the pool’s electrical components to ensure safety and prevent damage.
- Turn off the power at the breaker panel: This will cut off all power to the pool equipment.
- Disconnect the electrical wires: Carefully disconnect the wires from the pump, filter, and other electrical components. Label the wires for easy reconnection in the spring.
- Remove the electrical panels: If possible, remove the electrical panels from the components to protect them from the elements.
Table: Winterizing Pool Electrical Components
| Component | Action |
|---|---|
| Pump | Disconnect wires, remove panel |
| Filter | Disconnect wires, remove panel |
| Heater | Disconnect wires, remove panel if possible |
| Lighting | Disconnect wires, remove transformers if possible |
Sealing the Pool Cover
Once the cover is in place, it’s time to seal it to prevent debris and water from getting underneath. Here’s how to do it:
1. Clean the Pool Perimeter
Remove any dirt, leaves, or other debris from around the edge of the pool.
2. Apply a Layer of Sand
Place a thin layer of sand around the perimeter of the pool, about 1-2 inches wide.
3. Set the Cover
Carefully place the pool cover over the pool, making sure it fits snugly.
4. Use Water Tubes or Bags
Fill water tubes or bags and place them around the perimeter of the cover to weigh it down.
5. Secure the Cover
Use ropes, straps, or bungee cords to secure the cover to the anchors or loops around the pool deck.
6. Seal the Seams
Use pool cover seam tape or sealant to seal any gaps between the cover and the pool perimeter.
7. Monitor and Adjust
Check the cover regularly after heavy rain or snowfall to ensure it’s still secure and sealed. Make adjustments as needed to prevent water from seeping underneath.
| Material | Method |
|---|---|
| Pool Cover Seam Tape | Apply over cleaned seams, press firmly |
| Pool Cover Sealant | Apply a bead around seams, smooth with a trowel or finger |
Protecting the Pool Cover from the Elements
Once the pool cover is in place, it’s important to protect it from the elements to ensure its longevity. Here are some additional tips:
8. Secure the Pool Cover with Weight Bags
Weight bags are essential for keeping the pool cover in place during windy conditions or heavy snow. Fill these bags with water, sand, or other heavy material and place them around the perimeter of the cover. Make sure the bags are evenly distributed and weigh the cover down sufficiently. You may need to adjust the number of bags or the amount of weight as necessary.
Here’s a table summarizing the different types of weight bags and their recommended weight capacities:
| Type of Weight Bag | Recommended Weight Capacity |
|---|---|
| Water Weight Bags | 25-50 pounds |
| Sand Weight Bags | 50-75 pounds |
| Concrete Weight Bags | 100-200 pounds |
Winterizing the Pool Equipment
Properly winterizing your pool equipment is essential to prevent damage during the cold months. Here’s a step-by-step guide:
1. Clean the Equipment
Remove any debris from the pump, filter, and other equipment. Clean and inspect all connections for leaks or damage.
2. Backwash and Rinse the Filter
Backwash the filter to remove excess dirt and debris. Rinse the filter thoroughly to ensure clean water flows through the system.
3. Drain the Pump and Filter
Turn off the pump and drain all water from it. Disconnect or unhook the pump hoses and drain the water from the filter tank.
4. Remove the Filter Element
Carefully remove the filter element from the tank. Inspect it for any damage or wear and clean or replace it if necessary.
5. Close the Valves and Disconnect Hoses
Close all valves on the equipment, including the pump, filter, and heater. Disconnect any hoses and store them in a warm, dry place.
6. Inspect the Pool Heater
Turn off the heater and drain all water from its lines. Check for any leaks or damage, and repair or replace as needed.
7. Add Pool Antifreeze
Pour pool antifreeze into the pump, filter, and heater according to the manufacturer’s instructions. This will prevent water from freezing and damaging the equipment.
8. Cover the Equipment
Cover the pump, filter, and heater with insulated covers to protect them from the elements.
9. Storage (optional)
| Item | Storage Location |
|---|---|
| Filter Element | Warm, dry place |
| Hoses | Warm, dry place |
| Equipment Covers | Clean, dry area |
Troubleshooting
Low water level: Add water until the water level is 12-18 inches below the top of the pool.
Leaking pool: Empty the pool immediately and seek professional assistance.
Chemicals not balanced: Adjust the pH, alkalinity, and chlorine levels according to the manufacturer’s instructions.
Algae growth: Clean the pool thoroughly using a pool vacuum and brush, and treat with algaecide.
Precautions for Pool Closure
Safety first: Always wear gloves and eye protection when handling pool chemicals.
Cover the pool: Use a winter cover to prevent debris, leaves, and animals from entering the pool.
Remove accessories: Take out all ladders, floats, and toys to prevent damage.
Drain the pump and filter: Disconnect the pump and filter, and pour RV antifreeze into them.
Check water chemistry: Adjust the pH and alkalinity to prevent corrosion and staining.
Add winterizing chemicals: Use a pool closing kit to add chemicals that prevent algae growth and corrosion.
Lubricate O-rings: Apply silicone lubricant to all O-rings and gaskets to prevent leaks.
Blow out the lines: Use an air compressor to blow out any remaining water from the pool lines.
Clean the pool liner: Use a pool cleaner to remove any dirt or debris from the pool liner.
Secure the cover: Tighten the cover straps and anchor them to the ground to prevent it from blowing off.
How to Close an Inground Pool
Closing your inground swimming pool for the winter is an important task to ensure its longevity and prevent damage from freezing temperatures. Here are the steps involved in properly closing your pool:
- Clean the pool. Thoroughly clean the pool by vacuuming, scrubbing the walls and steps, and brushing away any debris. This will help prevent algae and bacteria growth during the winter months.
- Balance the water chemistry. Adjust the pH, alkalinity, and calcium levels to the recommended ranges for winterizing. This will help prevent corrosion and scale buildup.
- Add winterizing chemicals. Follow the manufacturer’s instructions for adding chlorine or bromine winterizing chemicals to the pool. These chemicals will help prevent algae and bacteria growth and keep the water clear.
- Lower the water level. Lower the water level by about 12 inches below the skimmer opening. This will prevent the water from freezing and expanding in the skimmer and damaging it.
- Blow out the lines. Use a pool blower to blow out any remaining water from the filter, pump, and plumbing lines. This will prevent the lines from freezing and bursting.
- Close the pool cover. Install a heavy-duty pool cover over the pool to protect it from the elements. Secure the cover tightly with straps or weights to prevent it from blowing away.
- Add air pillows. Place air pillows in the pool to help support the cover and prevent it from sagging into the water. This will help prevent the cover from freezing to the pool.
People Also Ask
How often should I close my inground pool?
Pools should be closed after the last swim of the season or when temperatures consistently drop below 60 degrees Fahrenheit.
What happens if I don’t close my pool properly?
Improperly closing a pool can lead to algae growth, bacterial contamination, frozen and burst pipes, and damage to the pool liner and equipment.
Can I add chemicals to my pool prior to closing?
Yes, it is essential to add winterizing chemicals to the pool before closing to prevent algae and bacteria growth and protect the water chemistry.
How long does it take to close an inground pool?
Depending on the size and features of the pool, it usually takes 2-4 hours to properly close a pool.
What is the best way to store pool equipment?
Pool equipment should be stored in a dry, protected area during the winter months. Drain any remaining water from the equipment and store it upside down to prevent freezing and damage.
