Refilling Your Hot Tub: Avoid These Common Pitfalls

Refilling your hot tub might seem straightforward, but it can quickly turn into a frustrating task if you encounter airlocks, imbalanced water chemistry, or slow fill times. Many hot tub owners struggle with these issues, leading to unnecessary stress and even costly repairs.

But don’t worry—you’re not alone. In this guide, we’ll address the most common problems faced during a hot tub refill and provide you with practical solutions that will save you time, money, and hassle.

Whether you’re refilling for the first time or just looking for tips to improve your routine, we’ve got you covered.

Quick Overview:

When I first started refilling my hot tub, I thought it would be a simple process—just drain, refill, and relax, right?

But I quickly learned that without the right approach, things can go sideways. Airlocks messed with the circulation, and getting the water chemistry just right was a balancing act I wasn’t prepared for.

I spent hours trying to figure out why the refill took so long, only to realize I wasn’t alone—many hot tub owners face these same headaches.

Refilling Your Hot Tub

Following these steps, you’ll have your hot tub refilled and ready for relaxation with minimal hassle.

1. Check for Leaks:
   • Inspect for Issues: Before refilling, check your hot tub for any leaks or issues that need repair. This ensures no water is wasted and the hot tub is functioning properly.
2. Prepare the Water Source:
   • Use Clean Water: Connect a garden hose to a clean water source. Make sure the hose is free of any debris or contaminants that could affect water quality.
3. Start the Filling Process:
   • Open the Hose: Place the hose in the hot tub and turn on the water. Position the hose so that it stays in place during the filling process.
4. Monitor the Fill Level:
   • Keep an Eye on Progress: Check the water level periodically to ensure it reaches the appropriate level, usually just above the jets.
5. Remove Air from the System:
   • Bleed the Air: After the hot tub is filled, turn on the power and start the jets to help remove any air trapped in the plumbing. This step ensures smooth operation.
6. Check Water Chemistry:
   • Test and Adjust: Once filled, test the water’s chemical balance. Adjust the pH, alkalinity, and sanitizer levels as needed to ensure safe and comfortable water.
7. Run the Filtration System:
   • Filter the Water: Run the filtration system for several hours to ensure any debris or impurities are removed from the water.
8. Reinstall the Filter:
   • Replace the Filter: After filling and cleaning, reinstall the filter that you cleaned earlier. Make sure it’s properly placed in its housing.

The Right Way to Refill Your Hot Tub

Following these steps, you’ll refill your hot tub correctly, ensuring optimal performance and readiness for your next soak.

1. Ensure Proper Drainage:
   • Complete Drainage: Before refilling, ensure that all water has been fully drained from the hot tub. Check for any remaining water in the pipes or crevices.
2. Inspect and Clean:
   • Clean the Tub: Make sure the hot tub’s interior is clean and dry. Remove any debris or residue left from the previous water.
3. Check the Equipment:
   • Inspect Components: Verify that all components, including filters, pumps, and heaters, are in good working order before refilling.
4. Connect the Hose:
   • Secure the Hose: Attach a clean garden hose to a freshwater source. Ensure the hose is free from contaminants that could affect water quality.
5. Begin Filling:
   • Start the Flow: Place the hose in the hot tub and turn on the water. Keep an eye on the fill level to avoid overflows.
6. Monitor Water Level:
   • Check Regularly: Monitor the water level as it fills. Stop filling once the water reaches just above the jets or the recommended fill line.
7. Remove Air from the System:
   • Bleed Air: After filling, turn on the hot tub’s power and start the jets. This helps to remove trapped air from the plumbing system.
8. Check Water Chemistry:
   • Test and Adjust: Use water testing kits to check the chemical balance. Adjust pH, alkalinity, and sanitizer levels as needed.
9. Run the Filtration System:
   • Filter Water: Run the filtration system for several hours to ensure any impurities are removed from the water.
10. Reinstall Filter:
    • Replace Filter: Reinstall the filter that was cleaned earlier, ensuring it’s securely in place.

When and How Often Should You Drain and Clean Your Hot Tub?

Adhering to these guidelines, you’ll keep your hot tub in excellent condition and ensure a safe and enjoyable experience every time you use it.

1. Every 3 to 4 Months:
   • Routine Maintenance: Aim to drain and clean your hot tub every 3 to 4 months. This frequency helps keep the water fresh and the system running smoothly.
2. Before Heavy Use:
   • Special Occasions: If you plan to host a gathering or use the hot tub frequently, consider draining and cleaning it beforehand. This ensures the water quality is optimal for your guests.
3. After Extended Use:
   • Intensive Usage: If the hot tub has been used extensively over a short period, it’s a good idea to drain and clean it sooner. This helps prevent build-up and maintains water quality.
4. Seasonal Considerations:
   • Seasonal Maintenance: At the beginning of each season, especially before winter or summer, drain and clean the hot tub to prepare it for changing weather conditions and to prevent any seasonal issues.
5. Check Water Quality Regularly:
   • Regular Testing: Even if you don’t drain and clean the hot tub regularly, test the water quality frequently. If the chemical balance is off or if there are any unusual odors or residues, it might be time for a drain and clean.
6. Follow the Manufacturer’s Guidelines:
   • Specific Recommendations: Always check your hot tub manufacturer’s guidelines for any specific recommendations or requirements regarding draining and cleaning frequency.

Where to Drain the Water: Proper Disposal

Following these guidelines, you’ll ensure that your hot tub water is disposed of responsibly and by local regulations.

1. Check Local Regulations:
   • Research Local Laws: Before draining, check with your local municipality for any specific regulations or guidelines about water disposal.
   • Avoid Draining into Storm Drains: Many areas prohibit draining into storm drains as it can pollute waterways.
2. Choose an Appropriate Disposal Site:
   • Grass or Garden: If allowed, draining water onto grass or garden areas can be a good option. It helps to water plants and lawns.
   • Public Sewers: In some locations, you may be able to drain the water into a public sewer system. Ensure you follow any guidelines provided by your local authority.
3. Avoid Draining Near Foundations:
   • Prevent Damage: Do not drain water close to building foundations or areas that could be damaged by excess water.
4. Consider Water Usage:
   • Reuse Water: If possible, consider using the water for non-potable purposes such as watering lawns or gardens (provided it meets local regulations).
5. Monitor Water Quality:
   • Test the Water: Ensure the water is free of chemicals or contaminants before disposal. Excessive chemicals can harm the environment.
6. Use a Proper Drainage System:
   • Direct the Flow: Use hoses or other tools to direct the water flow to the chosen disposal site to avoid spills or flooding.

How to Clean Your Hot Tub

Following these steps, you’ll keep your hot tub clean and ready for a relaxing soak.

1. Gather Your Supplies: You’ll need a non-abrasive cleaner, sponges, cloths, and a bucket of water.
2. Clean the Shell:
   • Apply Cleaner: Spray or apply a non-abrasive cleaner to the interior surfaces of the hot tub.
   • Scrub: Use a sponge or cloth to scrub the surfaces, focusing on areas with visible build-up or stains.
   • Rinse: Rinse the surfaces with clean water to remove any cleaner residue.
3. Clean the Filter:
   • Remove the Filter: Take out the filter from its housing.
   • Rinse: Rinse the filter with a garden hose to remove debris.
   • Soak: For a deeper clean, soak the filter in a filter-cleaning solution as per the product instructions.
   • Rinse Again: After soaking, rinse the filter thoroughly and let it dry completely before reinserting it.
4. Clean the Cover:
   • Remove Debris: Brush off any debris from the cover.
   • Wipe Down: Use a mild cleaner and a soft cloth to wipe the cover. Rinse and let it dry before putting it back on.
5. Check and Clean the Jets:
   • Inspect Jets: Check for any debris or build-up around the jets.
   • Wipe Down: Use a cloth to wipe around the jets to remove any residues.
6. Final Rinse: Give the entire hot tub a final rinse with clean water to ensure all cleaning agents are completely washed away.
7. Dry the Hot Tub: Use a clean towel to dry the interior surfaces before refilling. This helps to prevent water spots and residue build-up.

Pipe Flushing:

Proper pipe flushing helps prevent biofilm build-up and keeps your hot tub’s plumbing system in excellent working order.

1. Select a Pipe Cleaner: Choose a pipe cleaning solution specifically designed for hot tubs. These products are formulated to dissolve biofilm and other residues in the plumbing system.
2. Add the Cleaner: With the hot tub drained and empty, pour the pipe cleaner into the empty tub. Follow the product instructions for the correct amount.
3. Run the Jets: Turn on the hot tub’s jets and let them run for the time recommended by the cleaner’s manufacturer. This action circulates the cleaning solution through the pipes.
4. Scrub the Interior: While the jets are running, use a non-abrasive sponge to scrub the interior surfaces of the hot tub. This helps remove any residual build-up.
5. Drain the Cleaner: After the recommended time, turn off the jets and drain the cleaning solution from the hot tub. Make sure all the cleaner is removed from the system.
6. Rinse Thoroughly: Rinse the hot tub thoroughly with clean water to ensure all traces of the cleaner are flushed out. You can use a hose to spray down the interior.
7. Inspect the Pipes: Check for any remaining residue or issues with the pipes. Ensure that everything is clean and in good condition before refilling.

Post-Drainage Care

Proper post-drainage care helps maintain the longevity and performance of your hot tub, ensuring it’s always ready for relaxation.

1. Flush the Pipes: Use a pipe cleaner or flushing solution to remove any build-up or biofilm from the pipes. This step ensures that the water lines are clean and ready for the next fill.
2. Clean the Hot Tub: Scrub the interior surfaces of the hot tub to remove any residue or build-up. Use a non-abrasive cleaner to avoid damaging the surfaces.
3. Inspect the Equipment: Check the filter, pump, and other components for wear or damage. Replace any parts if necessary to ensure everything functions properly.
4. Check for Leaks: Inspect the hot tub for any signs of leaks or issues that may need attention before refilling.
5. Dispose of Water Properly: Ensure that the drained water is disposed of according to local regulations. Avoid draining directly onto plants or into storm drains is prohibited.
6. Prepare for Refill: Once the hot tub is cleaned and inspected, you’re ready to start the refilling process.

How to Properly Drain with a Valve

Following these steps, you’ll efficiently drain your hot tub and be ready for the next maintenance tasks.

1. Turn Off the Power: Ensure the hot tub’s power is turned off at the breaker to prevent any electrical hazards.
2. Locate the Drain Valve: Find the drain valve, usually situated at the bottom of your hot tub. It’s typically a small valve or spigot.
3. Prepare the Area: Clear the area around the hot tub and ensure you have a suitable drainage area where the water can flow away from your property.
4. Attach the Hose: Connect a garden hose to the drain valve. Make sure it’s tightly secured to prevent leaks.
5. Open the Valve: Turn the valve to allow the water to start draining through the hose. The water will flow out and away from the hot tub.
6. Monitor the Drainage: Keep an eye on the drainage process to ensure that everything is working smoothly and there are no leaks or blockages.
7. Close the Valve: Once the hot tub is empty, turn the valve off to stop the water flow.
8. Remove and Clean the Hose: Disconnect the hose from the valve and clean it for future use.

Using a Drain Hose

Using a drain hose helps you manage the drainage process efficiently and minimizes the risk of spills or overflow.

1. Turn Off the Power: For safety, switch off the power to your hot tub at the breaker before starting the drainage process.
2. Locate the Drain Valve: Find the drain valve at the bottom of your hot tub. This is where you’ll attach the hose.
3. Attach the Hose: Connect a garden hose to the drain valve. Ensure the hose is securely attached to avoid leaks.
4. Position the Hose: Direct the other end of the hose to a suitable drainage area where the water can flow away from the hot tub and your home.
5. Open the Drain Valve: Turn on the valve to start the water flow. The water will flow through the hose and out to the drainage area.
6. Monitor the Process: Keep an eye on the hose and drainage area to ensure that everything is functioning correctly and there are no blockages or leaks.
7. Close the Valve: Once the water has drained, turn off the valve to stop the flow of water.
8. Remove the Hose: Disconnect the hose from the drain valve and clean it for future use.

How to Empty Your Hot Tub Without a Pump

This method may take a bit longer, but it’s effective for emptying your hot tub without a pump.

1. Turn Off the Power: Ensure the hot tub’s power is turned off at the breaker for safety.
2. Locate the Drain Valve: Find the drain valve at the bottom of your hot tub. It’s usually a small valve or spigot designed for draining.
3. Attach a Hose: Connect a garden hose to the drain valve. Secure the hose to prevent leaks.
4. Direct the Hose: Place the other end of the hose in an appropriate drainage area where the water can flow away safely.
5. Open the Drain Valve: Turn the valve to start the water flow. The water will begin to drain through the hose.
6. Manually Remove Remaining Water: Once most of the water has drained, use a sponge or towel to soak up any remaining water from the bottom of the hot tub.
7. Check for Residual Water: If necessary, use a wet/dry vacuum to remove any last traces of water.
8. Disconnect and Clean Up: Once the draining is complete, remove the hose and clean it for future use.

Submersible Pump Use:

Using a submersible pump. can save you time and make the draining process much more efficient.

1. Turn Off the Power: Before you start, turn off the hot tub’s power at the breaker to ensure safety.
2. Prepare the Pump: Place it in the hot tub, making sure it’s positioned at the lowest point to remove as much water as possible.
3. Connect the Hose: Attach a garden hose to the discharge outlet. Make sure the connection is secure to prevent leaks.
4. Position the Hose: Direct the hose to a suitable drainage area where the water can flow away from the hot tub and your property.
5. Turn On the Pump: Plug in and turn it on. It will start removing the water from the hot tub quickly.
6. Monitor the Pump: Keep an eye on it and ensure it’s operating correctly and the hose remains in place.
7. Stop the Pump: Once the water level is low, turn off and unplug it. Remove the hose and clean it for future use.
8. Check for Residual Water: Use a sponge or towel to soak up any remaining water at the bottom of the hot tub.

Draining with the Spigot: Simple Steps

Draining with the spigot is efficient and helps in managing the water flow without much hassle.

1. Turn Off the Power: For safety, ensure that the hot tub’s power is turned off at the breaker before starting the draining process.
2. Locate the Spigot: Find the drain spigot at the bottom of your hot tub. It’s usually a small valve that you can open to allow water to flow out.
3. Attach a Hose: Connect a garden hose to the spigot. Make sure it is tightly secured to prevent any leaks.
4. Direct the Hose: Place the other end of the hose in an appropriate drainage area where the water can flow away from the hot tub and your home.
5. Open the Spigot: Turn the valve on the spigot to start the flow of water. The water should begin to drain out of the hot tub through the hose.
6. Monitor the Process: Keep an eye on the draining process to ensure that the water is flowing smoothly and that the hose remains in place.
7. Close the Spigot: Once the water is drained, close the spigot valve tightly to prevent any leaks.
8. Remove the Hose: Disconnect the hose from the spigot and store it properly for future use.

For additional information, visit Hot Tub Patio, or if you’re interested in more reading, see Guides and Reviews.

Seasonal Considerations

Considering these seasonal tips, you’ll ensure your hot tub remains in top condition and ready for use throughout the year.

1. Winter Care:
   • Insulate and Protect: During winter, keep the hot tub insulated to prevent freezing. Use a thermal cover to retain heat and protect against snow and ice.
   • Check for Freezing: Regularly check the water temperature and ensure the heater is functioning properly to prevent freezing.
2. Summer Maintenance:
   • Monitor Temperature: In summer, hot tub water can get too warm. Keep monitoring and adjusting the heater as needed to maintain a comfortable range.
   • Increase Filtration: More use and warmer temperatures may require more frequent filtration and cleaning. Ensure the filter is clean and functioning well.
3. Spring Refresh:
   • Spring Cleaning: After winter, perform a thorough cleaning and inspection. Drain and clean the hot tub to remove any winter build-up.
   • Check Equipment: Inspect and service equipment like heaters and pumps to ensure they’re ready for increased use.
4. Fall Preparation:
   • Prepare for Cold Weather: Before temperatures drop, check the hot tub’s insulation and cover. Ensure everything is in working order to handle the upcoming winter conditions.
   • Adjust Water Levels: If you plan to use the hot tub less frequently in the fall, consider lowering the water level to reduce the risk of freezing.
5. Regular Checks:
   • Monitor Water Quality: Regardless of the season, regularly test and adjust the water chemistry to maintain safe and clean water.
   • Inspect Components: Regularly check the hot tub’s components for wear and tear, and address any issues promptly. Check out The Spa Start-Up Procedure: A Step-By-Step Guide