Changing Hot Tub Water Made Easier

We all have to do it.  Change the water in the hot tub.  You are probably thinking this is the one thing I don’t like about owning a hot tub.  So here are some tips to make the process easier and actually save money in the long run.

1. Flush the Lines

Even if your sanitizer levels are right on target, your hot tub can develop biofilm over time inside the pipes. If it builds up, it becomes less resistant to your sanitizers like FROG.  The best way to avoid this is to use a “system flush” product before you drain.  It’s a liquid added directly to the water and circulated throughout the plumbing for a specific amount of time.  Follow the directions on the bottle carefully.  You will notice a lot of foam being released into the water which is good. That means it’s working.

2. Drain the Water

Important: Before you drain your spa, flip the hot tub breaker to cut all power and eliminate risk of electrical shock. Also, check your city’s ordinances to ensure you’re adhering to the law, and preventing any damage to the environment.

The lowest-cost option for draining your hot tub is to connect a hose to the spa drain and allow gravity to work its magic on the water. This is also the most time-consuming choice as it could take several hours.

A faster option is a submersible pump that can remove almost all the water in minutes. Keep an eye on the water level. If the pump continues to run once the water is gone, it can burn up the motor. Some pumps will get the water down to a fraction of an inch, while others will need to be shut off with a few inches of water remaining. Your hot tub drains will take care of the rest.

3. Clean the Cover and Filter Cartridges

There are several cleaners on the market for both the cover and the filter cartridges. Cleaning the cover will ensure it lasts longer. A good cover will save you money by keeping the heat in and debris out.  Cleaning your filter cartridges will ensure you’re your water is circulating properly so sanitizers and water balancers can do their job.

4. Clean the Spa Shell

Once it’s empty, your spa is ready for surface cleaning. Use a soft cloth and one of the following cleaners:

• A bottled hot tub cleaner from your spa dealer
• Diluted white vinegar
• Diluted liquid bleach

Pay special attention to nooks and crannies where mildew, algae, or bacteria could be hiding. Rinse all the surfaces well and drain all the rinse water to prevent foaming when you refill your spa. Double check that all your jets are open after you’ve finished cleaning and rinsing. This reduces the risk of water pressure problems from trapped air.

5. Refill the Hot Tub

Important: Before you start adding fresh water, double check to ensure the breaker is still off and the drains are closed

When refilling your hot tub, use a hose pre-filter product to reduce impurities such as calcium and copper that may affect your water chemistry and overall spa health. You’ll start out with higher quality water in your spa and reduce the risk of staining.

1. Insert your hose into the filter compartment, then begin filling your spa. This helps to force any trapped air out of your circulation system. Avoid overfilling as it may cause serious problems, such as backflow into your heater, when you start up your spa. If you do accidentally overfill, drain the excess water immediately.
2. Turn your spa breaker back on.
3. Start up your hot tub.
4. Allow the water to circulate and heat up to the desired temperature.
5. Then start your FROG routine.