Preparing Your Hot Tub for Summer: Essential Maintenance Tips
Posted: May 27, 2025As temperatures rise and days grow longer, your hot tub transitions from a warm refuge during chilly evenings to a refreshing oasis for summer relaxation. Proper summer hot tub maintenance is crucial during these warmer months when usage often increases and environmental factors create unique challenges. Following these essential care tips will ensure your spa remains clean, efficient, and ready for enjoyment all summer long.
Spring Cleaning: Getting Your Hot Tub Ready
The foundation of effective summer hot tub maintenance begins with a thorough spring cleaning. Start by completely draining your hot tub—ideally using a submersible pump for efficiency. Once empty, clean the shell with a non-abrasive cleaner designed for hot tubs to avoid damaging the acrylic surface.
Your hot tub cover deserves equal attention. Remove it completely and clean both sides using a mild water solution and gentle soap. Look for signs of wear, cracks, or waterlogging, as a damaged cover significantly reduces energy efficiency. A well-maintained hot tub cover can reduce energy consumption by up to 75% compared to an uncovered spa, making this maintenance step particularly important during summer months when temperature differentials can affect energy usage.
Next, address your filters, aka the unsung heroes of hot tub clarity. Remove them, rinse thoroughly with a garden hose, and consider using a filter cleaning solution for deeper decontamination. Experts recommend replacing filters every 12-24 months, depending on usage, so summer is an excellent time to assess if replacement is necessary.
Finally, inspect and clean your jets to ensure proper water flow. Use a soft brush to remove any buildup around jet openings and run a jet cleaning solution through your system before draining your hot tub.
Water Chemistry for Warmer Weather
Summer hot tub maintenance requires special attention to water chemistry, as higher ambient temperatures can accelerate chemical processes and increase sanitizer demand. Research shows that bacteria can multiply up to 50% faster in warm water environments, making proper sanitization crucial during summer.
Increase your water testing frequency to at least twice weekly during summer. Pay particular attention to:
- Sanitizer levels: Whether you use chlorine or bromine, summer conditions typically require higher sanitizer levels to combat increased bather load and faster bacterial growth. Aim for chlorine levels between 3-5 ppm or bromine levels between 4-6 ppm during peak summer use.
- pH and alkalinity: Summer heat can cause pH levels to fluctuate more rapidly. Maintain pH between 7.2 and 7.8 for optimal sanitizer effectiveness and bather comfort. Total alkalinity should remain between 80 and 120 ppm to help stabilize pH.
- Calcium hardness: Check that calcium hardness stays within 150-250 ppm to prevent scaling or corrosion issues that can be exacerbated by increased summer usage.
After heavy use, consider using a shock treatment to quickly eliminate contaminants and restore water clarity.
Component Checks and Maintenance
Beyond water care, comprehensive summer hot tub maintenance includes inspecting your spa’s vital components. Begin with the pump and motor, listening for unusual sounds that might indicate bearing wear or impeller issues. Check that the water flow is strong and consistent when the jets run at full power.
Examine your heater for efficiency. During summer, your heater works less frequently, but ensuring it functions properly remains important for evening use when temperatures drop. Look for any error codes on your control panel and verify heating accuracy by using a digital thermometer to measure actual water temperature against the displayed setting.
Safety should never be overlooked. Inspect all electrical connections, ground fault circuit interrupters (GFCIs), and power cords for signs of wear, damage, or corrosion. Electrical issues are among the most common causes of hot tub-related incidents, making this inspection particularly important.
If your hot tub features smart technology, summer is an ideal time to ensure all software updates are installed and remote monitoring capabilities are functioning correctly to help track maintenance needs during peak usage months.

Energy Efficiency Tips for Summer
Contrary to popular belief, summer hot tub maintenance can require more energy awareness than winter care. Research finds that poorly maintained hot tubs can consume up to 25% more energy during summer months due to increased cycling and temperature fluctuations.
Keep your cover in excellent condition to prevent heat absorption when the tub isn’t used. Consider using a reflective cover cap or additional solar shield during the hottest days to minimize heat gain. When using your hot tub regularly, maintain a temperature 2-3 degrees lower than your typical winter setting. Many users find 98-100°F perfectly comfortable during warmer months while reducing energy consumption.
Strategic timing can significantly impact efficiency. Program your filtration cycles for early morning or late evening when ambient temperatures are lower, reducing the workload on your system. Consider adding shade elements like umbrellas, pergolas, or strategically placed plants to reduce direct sun exposure, which can not only save energy but also extend the life of your cover and shell by minimizing UV damage.
Troubleshooting Common Summer Issues
Even with diligent summer hot tub maintenance, certain issues occur more frequently during warmer months. Cloudy water often results from increased usage combined with higher temperatures. Address this by checking filtration efficiency, ensuring proper chemical balance, and using a water clarifier if necessary.
Algae growth becomes more common during summer, appearing as green, yellow, or black spots on surfaces or creating slippery conditions. Research published in Applied and Environmental Microbiology indicates that algae can begin colonizing spa surfaces within 48 hours in warm conditions with inadequate sanitization. Combat this with proper sanitizer levels, regular shock treatments, and thoroughly cleaning all surfaces.
Foaming frequently increases during summer due to higher concentrations of lotions, sunscreens, and natural body oils. To reduce contaminant introduction, use an anti-foaming agent specifically designed for hot tubs and remind users to shower before entering.
When troubleshooting summer hot tub issues, recognize when professional help is needed. Problems involving electrical components, persistent water quality issues despite proper chemical treatment, or unusual noises from mechanical systems often require expert attention to prevent more serious damage.
Partner with WCI Pools & Spas for Expert Summer Hot Tub Maintenance Support
Effective summer hot tub maintenance combines routine care with seasonal adjustments to address the unique challenges of warmer weather. By thoroughly cleaning your spa, adapting your water chemistry approach, checking components, optimizing energy efficiency, and knowing how to address common summer issues, you’ll ensure your hot tub remains a refreshing, trouble-free oasis all season long.
Remember that consistent, proactive maintenance is far more effective than reactive problem-solving. If you encounter unexpected issues or simply prefer to trust experienced professionals with your hot tub care, WCI Pools & Spas offers comprehensive hot tub maintenance services. Contact our team or visit our Urbandale or Ames showrooms today to learn more.