A hot tub offers the ultimate relaxation after a long day, soothing sore muscles while providing a spa-like experience in the comfort of your home. However, these tubs require consistent upkeep to ensure that their jets, surfaces, and water systems remain hygienic and efficient. Without proper cleaning, hot tubs can accumulate mold, mildew, soap scum, and bacteria—diminishing your spa experience and potentially impacting your health.
In this guide, you’ll learn why regular cleaning is essential, the tools and products you need, and the exact steps to clean and maintain your hot tub properly.
Why You Should Clean Your Hot Tub Regularly
Preventing Mold, Mildew, and Bacteria Growth
Because hot tubs use jets that circulate water, they can easily trap residue inside the piping. Warm and moist environments create the perfect conditions for mold and bacteria to thrive. Without frequent cleaning, biofilm—a slimy layer of microorganisms—can develop inside the jet system. Not only is this unsanitary, but it can also release unpleasant odors and affect the water’s clarity.
Maintaining Water Quality and Safety
Clean water is essential to a safe and enjoyable soak. Residues from soaps, oils, and bath products can cause cloudy water, skin irritation, and chemical imbalances. By properly cleaning your tub, you help ensure that every soak is free from harmful contaminants and that the water remains fresh and inviting.
Extending the Life of Your Tub and Jets
Hot tubs are an investment, and regular maintenance helps protect that investment. Built-up grime and scale inside jets and pumps can lead to reduced performance, clogs, or even long-term damage. Routine cleaning minimizes wear and tear, helping your tub function efficiently for years to come.
What You’ll Need Before You Start Cleaning
Safe Cleaning Solutions (Store-Bought and DIY)
When selecting a cleaner, avoid abrasive or harsh chemicals that may damage the tub’s finish. Instead, consider these options:
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Store-bought cleaners: Specialized jet or hot tub cleaners designed to break down oils, soap scum, and biofilm.
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DIY solutions: White vinegar and baking soda create a safe, eco-friendly option for dissolving buildup and neutralizing odors. A small amount of dishwashing detergent can also be added to help break down grease.
Essential Tools for Cleaning Jets and Surfaces
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A soft microfiber cloth or non-abrasive sponge
An old toothbrush or small brush for scrubbing around jets -
A plastic bucket for mixing solutions
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A clean towel for drying and polishing surfaces
Protective Gear for a Safe Cleaning Process
Cleaning involves handling solutions and dealing with potential bacteria buildup. To stay safe, wear:
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Rubber gloves to protect your hands
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Safety glasses if using stronger cleaning agents
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A face mask if you are sensitive to cleaning fumes
Step-by-Step Guide to Cleaning Your Hot Tub
Fill the Tub with Warm Water
Start by filling the tub until the water level is two to three inches above the highest jet. Warm water helps loosen residue and prepares the jets for cleaning.
Add Cleaning Solution and Run the Jets
Pour in your chosen cleaner. Turn on the jets and let them run for 10–15 minutes. This circulates the solution through the piping system, breaking down grime and biofilm.
Drain and Rinse Thoroughly
After the cleaning cycle, drain the tub completely. Refill it with clean, warm water and run the jets again for another 10 minutes. This step rinses away any remaining cleaner and debris inside the pipes.
Wipe and Polish Surfaces
Once the tub is drained, use a soft cloth to wipe down the interior surfaces. Pay special attention to corners, around the jets, and near the drain where buildup can accumulate. Finally, polish the tub with a clean towel to restore its shine.
How to Deep Clean Hot Tub Jets
Removing Residue and Biofilm from Inside the Jets
Over time, residue can cling inside the jets even after routine cleaning. To deep clean:
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Use a toothbrush dipped in baking soda paste to scrub around the jet nozzles.
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Remove any detachable parts of the jets for direct cleaning, following your manufacturer’s instructions.
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Run a second cycle with a specialized jet cleaner to target internal buildup.
Using Vinegar or Specialized Jet Cleaners
Vinegar is effective for dissolving mineral deposits and biofilm without damaging the tub’s finish. However, if your tub has heavy buildup or persistent odors, consider investing in specialized jet cleaning solutions. These products are formulated to reach deeper into the piping and provide a more thorough clean.
Tips for Keeping Your Hot Tub Clean Longer
Regular Maintenance Schedule
Establish a routine cleaning schedule. For light use, clean your tub at least once a month. If you use it frequently or share it with family members, consider cleaning it bi-weekly. Regular maintenance prevents stubborn buildup and makes each cleaning session quicker.
Proper Water Chemistry Management
If your hot tub doubles as a spa, maintaining balanced water chemistry is crucial. Use test strips to monitor pH and sanitizer levels. Properly treated water not only feels better on your skin but also reduces the chance of bacteria and mineral scale forming in your jets.
Post-Use Cleaning Habits
Adopt simple habits after each soak:
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Rinse the tub with warm water to remove soap and oil residue.
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Wipe down surfaces with a microfiber cloth to prevent water spots.
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Leave the bathroom door open or use a fan to reduce humidity and discourage mold growth.
Common Mistakes to Avoid When Cleaning a Hot Tub
Many homeowners unintentionally shorten the lifespan of their hot tubs by making cleaning errors. Avoid these common mistakes:
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Using abrasive cleaners: Harsh scrubbing pads or strong chemicals can scratch and damage the surface.
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Skipping jet cleaning: Cleaning only the surface ignores the bacteria and buildup lurking inside the jets.
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Neglecting routine maintenance: Waiting too long between cleanings allows mold, mildew, and scale to accumulate, making the process more difficult.
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Ignoring protective gear: Exposure to cleaning agents and bacteria can cause skin irritation or health issues if you do not take precautions.
By cleaning your hot tub properly and avoiding these mistakes, you’ll enjoy a more hygienic, efficient, and long-lasting spa experience. Regular care ensures that every soak is as refreshing and safe as the first time you used it.
To keep your hot tub in top condition, using the right cleaning supplies and replacement parts is just as important as following the proper maintenance routine. Whether you need specialized jet cleaners, filters, or replacement components, Master Spa Parts Online offers everything you need to extend the life of your tub and enjoy a cleaner, healthier spa experience. Browse our full selection of hot-compatible products online today and get the parts delivered right to your door—so you can keep your spa running like new.