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Understanding Hot Tub Draining & Refilling

What is Hot Tub Draining & Refilling?

Hot tub draining and refilling is a cleaning process that regularly removes pool water, cleans the system, and replenishes the water supply. While draining and refilling the hot tub is generally not a complex process, it should still be done properly with the help of a professional to ensure that the job is done correctly and safely.

How Often Should Hot Tub Draining & Refilling Be Done?

It is generally recommended to drain and refill your hot tub on a regular basis—roughly once every three to four months. This will help keep your hot tub in peak condition and can help prevent the build-up of bacteria, algae, and other unwanted contaminants.

7 Signs It’s Time to Drain & Refill Your Hot Tub

1. The Water Smells Unpleasant – If your hot tub water has a funny or foul smell even after treatment, then it’s likely time to drain and refill the tub.
2. High Total Dissolved Solids (TDS) – If the TDS level in your hot tub is higher than advised, then it’s likely to be time for a fresh water refill.
3. Foamy or Cloudy Water – If the hot tub water starts to become cloudy or foamy, this is usually a sign that there is too much detergent in the water and it needs to be drained and refilled.
4. Algae Growth – Algae growth can cause an unpleasant experience in the hot tub and can be a serious health hazard. If you spot any algae, it’s time to drain and refill the tub.
5. Scale or Grime Build-up – If you spot any scale or grime build-up around the edges of the hot tub or on the piping, then it’s a good idea to drain and refill the hot tub.
6. Visible Particles in the Water – If you start seeing visible particles floating around in the water, then it’s time to get the hot tub drained and refilled.
7. Hot Tub Does Not Heat Up Like It Used To – If the hot tub does not seem to be heating up like it used to be, then it could be time to drain and refill to ensure that it is functioning properly.

People Also Ask


Can You Drain and Refill a Hot Tub By Yourself?

Yes, you can drain and refill a hot tub by yourself, provided you have all the necessary equipment and the knowledge to do the job.

What Can Happen If You Don’t Drain and Refill a Hot Tub?

If you don’t drain and refill a hot tub, then there is the risk that bacteria, fungi, and other contaminants will build-up in the water, leading to health hazards and a decrease in the hot tub’s performance.

Can I Put Chlorine in a Hot Tub After Refilling?

Yes, you can use chlorine in a hot tub after refilling, provided that the levels are within the recommended range and the hot tub is regularly treated and maintained.

How Long Should I Wait Before Using a Hot Tub After Refilling?

After refilling a hot tub, it is recommended to wait at least 20 minutes before using it to give the sanitizing agents time to activate and clean the water.

Do I Have to Add Hot Tub Chemicals After Refilling?

Yes, after refilling your hot tub it is important to add the necessary chemicals to help keep the water clean and safe for use.

Final Words

Draining and refilling your hot tub is an important process that should be done to keep the hot tub in peak condition and to ensure that the water is always safe and suitable for use. By keeping an eye out for the 7 signs mentioned above, you can ensure that your hot tub is always in the best condition.