How often to change hot tub water

Owning a hot tub is a delightful luxury, offering relaxation and health benefits right in your backyard. However, to maintain a clean and safe environment, hot tub maintenance becomes essential. One of the primary tasks in caring for your hot tub is knowing how often to change the water. In this guide, we'll explore the factors influencing hot tub water change frequency and provide practical tips for keeping your hot tub in top shape.

Understanding Hot Tub Maintenance

Regular maintenance is vital to keep your hot tub water clean and safe. This involves not only changing the water but also ensuring the filtration system is working effectively and using the right chemicals to balance the water. Neglecting maintenance can lead to cloudy water, unpleasant odors, and even health issues. Let's dive into the specifics of water change frequency.

Factors Affecting Hot Tub Water Change Frequency

Usage Frequency

The more often you use your hot tub, the more frequently you need to change the water. Regular use increases the likelihood of contaminating the water with body oils, lotions, and other debris. For a hot tub used daily, changing the water every three to four weeks is recommended.

Number of Users

The number of people using the hot tub also impacts how often you should change the water. More users mean more contaminants entering the water, which can quickly overwhelm the filtration system. If your hot tub is frequently used by multiple people, consider changing the water every two to three weeks.

Water Quality

Maintaining balanced water chemistry is crucial in determining how often to change your hot tub water. Regularly testing and adjusting the water's pH, alkalinity, and sanitizer levels can extend the time between water changes. If you find it challenging to maintain proper chemical levels, it might be time to change the water.

Signs You Need to Change Hot Tub Water

Cloudy Water

Cloudy water is a clear indicator that it's time for a water change. This can be caused by an overload of contaminants or improper chemical balance. If the water remains cloudy despite chemical adjustments, a complete water change might be necessary.

Unpleasant Odors

A foul smell coming from your hot tub is a sign that the water is no longer clean. This could be due to a buildup of bacteria or other organic matter. Changing the water and cleaning the hot tub thoroughly can help eliminate these odors.

Foamy Water

Foam on the surface of the water is often caused by an accumulation of oils, lotions, and soaps. While anti-foam products can temporarily reduce foam, a water change is the best long-term solution.

Steps to Change Hot Tub Water

Draining the Hot Tub

1. Turn Off the Power: Before draining, ensure the hot tub is powered off to prevent damage to the pump and heater.
2. Attach a Hose: Connect a garden hose to the drain valve and direct it to an appropriate drainage area.
3. Open the Drain Valve: Allow the water to flow out completely.

Cleaning the Hot Tub

1. Scrub the Shell: Use a non-abrasive cleaner to scrub the interior surfaces of the hot tub, removing any residue or buildup.
2. Clean the Filter: Rinse the filter thoroughly with a hose or soak it in a filter cleaning solution to remove trapped debris.

Fresh Water Fill

After cleaning, refill the hot tub with fresh water following these steps:

1. Fill the hot tub with fresh, clean water.
2. Ensure that the hot tub filter is fresh and clean.
3. Fill the dispenser with bromine or chlorine tablets, making sure it is open.
4. Add a spa ball to the skimmer area.
5. Add Stain & Scale Preventer.
6. Add Hot Tub Clarifier.
7. Dip a Northern Hot Tubs test strip into the water as per instructions on the bottle.
8. Add Alka-Rise where required as per quantity on the bottle (1 cap = 25 grams).
9. Add Cal-Rise where required as per quantity on the bottle (1 cap = 25 grams).
10. Add Non-Chlorine Shock.
11. Turn the jets on high speed and allow them to circulate until high-speed times out.
12. Adjust pH as necessary.

Before and After Using the Hot Tub

1. Turn the jets on high speed and add Non-Chlorine Shock.

Weekly Maintenance

1. Fill the dispenser with bromine or chlorine tablets, ensuring it is open.
2. Add Stain & Scale Preventer.
3. Add Tub Clarifier.
4. Dip a Northern Hot Tubs test strip into the water as per instructions on the bottle.
5. Add Alka-Rise where required
6. Add Cal-Rise where required
7. Add Non-Chlorine Shock.
8. Turn the jets on high speed and allow them to circulate until high-speed times out.
9. Adjust pH as necessary.

Periodic Maintenance

1. Apply Defoamer as required.
2. Replace the hot tub/spa ball as required (it will sink when expired).

Monthly Maintenance

1. Clean the cartridge filter with Filter Cleaner and rinse thoroughly with a flosser hose attachment.
2. Clean the hot tub cover with Cover Cleaner + UV.
3. Wipe down the hot tub cabinet with mild soap and water.

Seasonal Maintenance

Spring, Summer, Fall, Winter

1. Drain, clean, and refill the hot tub with fresh water.
2. Perform the freshwater fill procedure as outlined above.

Annual Maintenance

1. Replace the cartridge filter.

Maintaining Water Quality Between Changes

In addition to regular water changes, it’s essential to maintain water quality with these practices:

1. Regular Testing and Adjustments: Consistently test the water chemistry using test strips or a digital tester. Aim to check the water at least twice a week, adjusting chemicals as needed to maintain balanced pH and sanitizer levels.
2. Routine Cleaning: Regularly clean the hot tub surfaces and filter to prevent the buildup of grime and debris. Consider using a skimmer net to remove leaves or other floating debris.
3. Encourage Pre-Soak Showers: Encourage users to shower before entering the hot tub to minimize the introduction of oils, lotions, and other contaminants into the water.
4. This incorporation not only enhances the content but also provides users with comprehensive maintenance steps that they can follow to keep their hot tub in optimal condition.

Maintaining Water Quality Between Changes

Regular Testing and Adjustments

Consistently test the water chemistry using test strips or a digital tester. Aim to check the water at least twice a week, adjusting the chemicals as needed to maintain a balanced pH and sanitizer level.

Routine Cleaning

Regularly clean the hot tub surfaces and filter to prevent the buildup of grime and debris. Consider using a skimmer net to remove leaves or other floating debris.

Encourage Pre-Soak Showers

Encourage users to shower before entering the hot tub to minimize the introduction of oils, lotions, and other contaminants into the water.

Conclusion

Understanding how often to change hot tub water is crucial for maintaining a clean, safe, and enjoyable spa experience. By considering factors such as usage frequency, the number of users, and water quality, you can establish a maintenance routine that keeps your hot tub in optimal condition. Regular testing, cleaning, and proper water changes will ensure your hot tub remains a relaxing oasis for years to come.


View our Watercare Products