Replacing Your Water

Replacing Your Water

The Essential Guide to Changing Your Hot Tub Water: Frequency and Tips

Maintaining your hot tub is crucial to ensuring a safe, enjoyable, and hygienic soaking experience. One of the most important aspects of hot tub maintenance is regularly changing the water. Over time, water in your hot tub can accumulate various contaminants, from body oils and lotions to hair and environmental debris. Additionally, the balance of chemicals needed to keep the water clean can become harder to maintain. This blog post will guide you through how often to change your hot tub water and provide tips to make the process efficient and effective.

How Often Should You Change Your Hot Tub Water?

The frequency with which you should change your hot tub water depends on several factors, including how often you use your hot tub, the number of users, and how well you maintain your water chemistry. A general rule of thumb is to change the water every 3 to 4 months. However, this can vary based on usage and maintenance:

  • High Usage: If your hot tub is used frequently or by numerous people, you may need to change the water more often, possibly every 2 months.
  • Low Usage: For those who use their hot tub sparingly or maintain it meticulously, extending the interval to every 4 to 6 months might be possible.

Signs It's Time to Change Your Hot Tub Water

Aside from sticking to a regular schedule, certain signs indicate it's time for a water change:

  • Cloudy Water: If your water remains cloudy despite balancing the chemicals and using clarifiers, it's time for a change.
  • Foul Odor: A noticeable bad smell from the hot tub water is a clear sign that it needs to be replaced.
  • Skin Irritation: If users experience skin irritation or rashes after using the hot tub, this could be due to water quality issues.
  • Difficulty Balancing Chemicals: When it becomes increasingly difficult to maintain the correct chemical balance, changing the water can reset the environment.

Tips for Changing Your Hot Tub Water

Changing your hot tub water might seem daunting, but with these tips, you can make the process smoother:

  • Plan Ahead: Choose a day when you won't need to use the hot tub, as the process can take several hours or even a day to complete.
  • Clean as You Go: When you drain the hot tub, take the opportunity to clean the shell with a non-abrasive cleaner designed for hot tubs. Also, clean or replace the filter.
  • Check Components: With the water out, it's a good time to inspect the jets, heater, and other components for any signs of wear or damage.
  • Refill Correctly: When refilling your hot tub, place a hose filter on your hose to minimize impurities entering the water. Start adding water by placing the hose in the filter compartment to avoid air locks.
  • Balance Your Water: Once filled, immediately test and adjust your water's pH, alkalinity, and sanitizer levels. This sets the foundation for clean and clear water.


Regularly changing your hot tub water is a fundamental part of hot tub maintenance that keeps the water clean, clear, and safe for users. By following the recommended frequency and paying attention to the signs that a change is needed, you can ensure your hot tub remains a relaxing and healthy environment. Remember, the effort you put into maintaining your hot tub will enhance your enjoyment and extend the life of your investment. Happy soaking!