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How Often to Change the Filter In A Hot Tub?

Published on
7 min read
How Often to Change the Filter In A Hot Tub? image

Best Hot Tub Filters to Buy in October 2025

1 SORSWEET 12 Pack Type VI Hot Tub Filter Cartridge Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E 58323 90427E

SORSWEET 12 Pack Type VI Hot Tub Filter Cartridge Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E 58323 90427E

  • BROAD COMPATIBILITY: FITS ALL HOT TUBS REQUIRING TYPE VI FILTERS.

  • DURABLE & REUSABLE: EASY TO CLEAN, ENSURING EXTENDED FILTER LIFE.

  • PREMIUM FILTRATION: CAPTURES DIRT, DEBRIS, AND SEDIMENT EFFICIENTLY.

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$25.59 $31.99
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SORSWEET 12 Pack Type VI Hot Tub Filter Cartridge Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E 58323 90427E
2 Macaberry Type Ⅵ Hot Tub Spa Filter Replacement Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E 58323, Inflatable Hot Tub, Swimming Pool Pump Filter Type Ⅵ Cartridge, 12 Pack

Macaberry Type Ⅵ Hot Tub Spa Filter Replacement Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E 58323, Inflatable Hot Tub, Swimming Pool Pump Filter Type Ⅵ Cartridge, 12 Pack

  • PERFECT FIT: COMPATIBLE WITH COLEMAN AND LAY-Z-SPA HOT TUBS.
  • SUPERIOR FILTRATION: CAPTURES DEBRIS FOR A CLEANER, SAFE POOL EXPERIENCE.
  • EASY MAINTENANCE: REGULAR CLEANING & REPLACEMENT FOR OPTIMAL PERFORMANCE.
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$29.99
Macaberry Type Ⅵ Hot Tub Spa Filter Replacement Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E 58323, Inflatable Hot Tub, Swimming Pool Pump Filter Type Ⅵ Cartridge, 12 Pack
3 Volca Spares Hot Tub Filter Cartridge Size VI for Bestway, Lay-Z-Spa, Coleman SaluSpa 90352E 58323, 6 Pack

Volca Spares Hot Tub Filter Cartridge Size VI for Bestway, Lay-Z-Spa, Coleman SaluSpa 90352E 58323, 6 Pack

  • ENJOY CRYSTAL-CLEAR WATER WITH OUR TYPE VI FILTER CARTRIDGE!
  • FITS ALL MAJOR SPA BRANDS-BESTWAY, LAY-Z-SPA, COLEMAN, & MORE.
  • EASY TO CLEAN AND REPLACE FOR HASSLE-FREE MAINTENANCE!
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$25.99
Volca Spares Hot Tub Filter Cartridge Size VI for Bestway, Lay-Z-Spa, Coleman SaluSpa 90352E 58323, 6 Pack
4 Unicel C-8465 65 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 234 Pleats, Compatible with Hot Springs, Caldera, & Tiger River Spas

Unicel C-8465 65 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 234 Pleats, Compatible with Hot Springs, Caldera, & Tiger River Spas

  • CLEAR WATER: CAPTURES DEBRIS DOWN TO 20 MICRONS FOR PRISTINE SPA WATER.

  • MAXIMIZED EFFICIENCY: SHARP PLEAT DESIGN ENHANCES FLOW AND DEBRIS CAPACITY.

  • DURABLE & EASY: CHEMICAL-RESISTANT, EASY-TO-REMOVE 3-INCH END CAP.

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$48.97 $58.37
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Unicel C-8465 65 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 234 Pleats, Compatible with Hot Springs, Caldera, & Tiger River Spas
5 Intex 29001E PureSpa Type S1 Heavy Duty Easy Set Dacron Paper Hot Tub Spa Filter Replacement Cartridge for Various PureSpa Models, 2 Pack

Intex 29001E PureSpa Type S1 Heavy Duty Easy Set Dacron Paper Hot Tub Spa Filter Replacement Cartridge for Various PureSpa Models, 2 Pack

  • KEEP YOUR PURESPA WATER CLEAR WITH POWERFUL 2-PACK FILTERS!

  • EASY MAINTENANCE WITH DURABLE DACRON PAPER FOR EFFECTIVE FILTRATION.

  • CHANGE MONTHLY FOR OPTIMAL PERFORMANCE AND A RELAXING SPA EXPERIENCE.

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$6.99
Intex 29001E PureSpa Type S1 Heavy Duty Easy Set Dacron Paper Hot Tub Spa Filter Replacement Cartridge for Various PureSpa Models, 2 Pack
6 POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, FC-2370, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 2 Pack

POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, FC-2370, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 2 Pack

  • TRILOBAL FABRIC: 3X MORE SURFACE AREA FOR CLEANER, CLEARER WATER!

  • NSF/ANSI 50 CERTIFIED: SAFE MATERIALS FOR YOUR FAMILY’S PEACE OF MIND!

  • DURABLE DESIGN: LASTS 30% LONGER, CUTTING REPLACEMENT COSTS SIGNIFICANTLY!

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$42.99 $52.99
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POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, FC-2370, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 2 Pack
7 Intex 29011E PureSpa Type S1 Heavy Duty Easy Set Dacron Paper Hot Tub Spa Filter Replacement Cartridge for Various PureSpa Models, 6 Pack

Intex 29011E PureSpa Type S1 Heavy Duty Easy Set Dacron Paper Hot Tub Spa Filter Replacement Cartridge for Various PureSpa Models, 6 Pack

  • KEEP PURESPA WATER CLEAN & FRESH WITH S1 CARTRIDGE FILTER.
  • DURABLE DACRON PAPER ENSURES ULTIMATE FILTRATION EFFICIENCY.
  • EASY MAINTENANCE: CLEAN WEEKLY, REPLACE MONTHLY FOR BEST RESULTS.
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$18.99 $19.99
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Intex 29011E PureSpa Type S1 Heavy Duty Easy Set Dacron Paper Hot Tub Spa Filter Replacement Cartridge for Various PureSpa Models, 6 Pack
8 Beckacher Hot Tub Filter Compatible with All RELXTIME Hot Tub, Pool Filters, Spa Filter Replacement, Filter Cartridges for Inflatable Hot Tubs Filtration, 4 Filter + 4 Filter Covers

Beckacher Hot Tub Filter Compatible with All RELXTIME Hot Tub, Pool Filters, Spa Filter Replacement, Filter Cartridges for Inflatable Hot Tubs Filtration, 4 Filter + 4 Filter Covers

  • ULTIMATE COMPATIBILITY: FITS ALL RELXTIME INFLATABLE HOT TUBS PERFECTLY.

  • ENHANCED DURABILITY: EXTRA-DURABLE FILTERS FOR CLEANER, LONGER-LASTING WATER.

  • CONVENIENT CLEANING: EASY TO CLEAN AND REPLACE FOR HASSLE-FREE MAINTENANCE.

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$19.99 $23.99
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Beckacher Hot Tub Filter Compatible with All RELXTIME Hot Tub, Pool Filters, Spa Filter Replacement, Filter Cartridges for Inflatable Hot Tubs Filtration, 4 Filter + 4 Filter Covers
9 Slamate Type VI Hot Tub Filter Cartridge Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E, 58323E, 58323 Swimming Pool Pump, 12 Pack

Slamate Type VI Hot Tub Filter Cartridge Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E, 58323E, 58323 Swimming Pool Pump, 12 Pack

  • BROAD COMPATIBILITY: FITS LAY-Z-SPA, COLEMAN, AND MORE FOR UNIVERSAL USE.

  • VALUE PACK: 12 PREMIUM FILTERS ENSURE LONG-LASTING SPA ENJOYMENT!

  • SUPERIOR FILTRATION: DENSELY PLEATED FABRIC CAPTURES 3X MORE CONTAMINANTS!

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$29.99
Slamate Type VI Hot Tub Filter Cartridge Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E, 58323E, 58323 Swimming Pool Pump, 12 Pack
10 6CH-940 Spa Filter Cartridge Replacement for Unicel, Pleatco PWW50P3, Filbur FC-0359, Aber 03FIL1400, Waterway 817-0050 Front Access Skimmer, Viking Pool Hot Tub Filter Screw SAE Thread Filter 2 Pack

6CH-940 Spa Filter Cartridge Replacement for Unicel, Pleatco PWW50P3, Filbur FC-0359, Aber 03FIL1400, Waterway 817-0050 Front Access Skimmer, Viking Pool Hot Tub Filter Screw SAE Thread Filter 2 Pack

  • ENSURE PERFECT COMPATIBILITY WITH YOUR SPA MODEL BEFORE ORDERING!

  • EASY INSTALLATION WITH PRECISE MEASUREMENTS; HASSLE-FREE MAINTENANCE!

  • ENJOY EFFICIENT FILTRATION AND LONG-LASTING, WASHABLE PERFORMANCE!

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$29.99 $35.99
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6CH-940 Spa Filter Cartridge Replacement for Unicel, Pleatco PWW50P3, Filbur FC-0359, Aber 03FIL1400, Waterway 817-0050 Front Access Skimmer, Viking Pool Hot Tub Filter Screw SAE Thread Filter 2 Pack
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ONE MORE?

The frequency at which you should change the filter in a hot tub depends on various factors including usage, water quality, and the type of filter you have. Generally, it is recommended to clean or replace hot tub filters every 1-3 months.

Hot tub filters help to remove debris, particles, and contaminants from the water, ensuring it remains clean and safe for use. Over time, these filters can get clogged and lose their effectiveness. As a result, the water may become cloudy, and the tub's performance may be negatively impacted.

Regularly inspecting the filter is important to determine when it needs cleaning or replacement. If the filter appears dirty or damaged, it is likely time for a change. Additionally, if you notice a decrease in water flow or experience difficulties maintaining water quality, it may be necessary to replace the filter sooner.

It is essential to follow the manufacturer's recommendations when it comes to maintaining and changing the filter. Some hot tubs use disposable filters, while others have reusable filters that can be cleaned with a hose or in a filter-cleaning solution. Proper maintenance of the filter will help optimize its lifespan and ensure the hot tub functions efficiently.

How to extend the life of a hot tub filter?

  1. Regularly clean the filter: Rinse off the filter with a garden hose every 2-3 weeks to remove any large debris or dirt. This will prevent the filter from clogging and reduce strain on the equipment.
  2. Use filter cleaner: Every 1-3 months, soak the filter in a filter cleaner solution to remove oils, bacteria, and other contaminants that may have accumulated. Follow the instructions on the cleaner bottle for the appropriate soaking time.
  3. Rotate multiple filters: If your hot tub has multiple filters, rotating them every 1-2 months can help prolong their lifespan. This allows each filter to dry completely and recover before being used again.
  4. Keep the water balanced: Maintaining proper water chemistry is crucial to the life of your hot tub filter. Regularly test and balance the pH, alkalinity, and sanitizer levels of the water to avoid excessive buildup on the filter.
  5. Avoid using excessive chemicals: While sanitizing chemicals are necessary for hot tub maintenance, using excessive amounts can lead to premature wear of the filter. Follow the manufacturer's recommendations for chemical dosage and avoid adding unnecessary chemicals.
  6. Prevent hair and debris: If you have long hair or use the hot tub in an area prone to debris, consider wearing a swim cap or using a floating cover to minimize the amount of hair and debris entering the water. This will help reduce the strain on the filter.
  7. Schedule regular maintenance: Have a professional perform routine maintenance on your hot tub, including inspecting and cleaning the filter, at least once a year. They can also advise on proper filter care and replacement when necessary.
  8. Handle the filter with care: When removing or reinstalling the filter, handle it gently to avoid bending or damaging the pleats. Rough handling can affect the filter's effectiveness and lifespan.
  9. Avoid high water pressure: Avoid using high-pressure water jets or power washers directly on the filter, as it can damage the delicate filter material. Stick to gentle rinsing with a garden hose.
  10. Replace when needed: Even with proper care, hot tub filters will eventually wear out and lose efficiency. Follow the manufacturer's recommendations on when to replace the filter, usually every 1-2 years.

How to properly rinse a new hot tub filter before installation?

To properly rinse a new hot tub filter before installation, follow these steps:

  1. Remove the filter from its packaging and inspect it. Ensure there are no damages or defects.
  2. Locate the filter compartment in your hot tub. It is usually located near the water intake area or within the equipment area.
  3. Turn off the power to the hot tub. This ensures your safety while working on the filter.
  4. Remove the old filter, if there is one, from the filter compartment. Take note of its position and orientation.
  5. Take the new filter and use a hose or a bucket of water to thoroughly rinse it. Make sure to remove any debris or dust from the filter. Start from the top and rinse it downwards to remove loose particles.
  6. If the filter is particularly dirty or greasy, you may use a filter cleaner specifically designed for hot tub filters. Follow the manufacturer's instructions on the cleaner's label.
  7. Rinse the filter again with clean water to remove any residue from the cleaning solution or remaining particles.
  8. Inspect the filter once more to ensure it is clean and free of debris. If necessary, repeat the rinsing process.
  9. Once the filter is clean, handle it carefully to prevent any damage. Place it back into the filter compartment, aligning it with the correct orientation and position as noted earlier.
  10. Turn the power back on and run the hot tub for a few minutes to circulate the water through the newly installed filter.
  11. Check for any signs of leakage or improper functioning. If everything seems fine, you can now enjoy your hot tub with a clean and properly rinsed filter.

Remember to clean and rinse your hot tub filter regularly to maintain good water quality and prevent clogging. Follow the manufacturer's guidelines for filter maintenance and replacement intervals.

What is the best way to store a hot tub filter?

The best way to store a hot tub filter is to ensure it is thoroughly cleaned and dried before storing. Here are some steps to follow:

  1. Remove the filter from the hot tub and rinse it off with a garden hose or use a jet nozzle to remove any loose debris.
  2. Fill a bucket or sink with warm water and add a mild filter cleaning solution or a mix of vinegar and water. Soak the filter for at least one hour to ensure it is thoroughly cleaned.
  3. Use a soft brush or filter cleaning tool to scrub the filter gently, paying attention to each individual pleat. Rinse it again with clean water to remove any remaining cleaning solution.
  4. Let the filter dry completely. Place it in a well-ventilated area, away from direct sunlight, until it is completely dry. This may take a day or two, depending on the climate.
  5. Once the filter is completely dry, store it in a clean, dry, and secure container or plastic bag to protect it from dust, moisture, and pests. Make sure the container is large enough to accommodate the filter without folding or compressing it.

Store the container in a cool, dry place to prevent any mold or mildew growth. Avoid storing it in areas with extreme temperature fluctuations or high humidity levels.

Remember to consult your hot tub's owner's manual or manufacturer's recommendations for specific instructions on maintaining and storing your filter.

What is a hot tub filter?

A hot tub filter is a component of a hot tub or spa that helps remove impurities from the water. It is responsible for capturing debris, dirt, hair, oils, and other particles that accumulate in the water over time. The hot tub filter plays a crucial role in maintaining water cleanliness and preventing the growth of bacteria and algae. It works by trapping these impurities as water flows through it, allowing clean water to circulate back into the hot tub. Regular cleaning and maintenance of the filter are necessary to ensure its effectiveness and to keep the water in the hot tub hygienic and safe for use.