Best Hot Tub Filter Cleaner

The best hot tub filter cleaner is designed to eliminate all types of dirt, bacteria, and mold in the hot tub filter. A top-notch cleaner will remove algae, dirt, and bacteria from your filter, ensuring that your hot tub water stays clean and clear. Plus, it’ll protect your filter from clogging, so it can keep working efficiently for longer periods of time. In this article, we’ve compiled a list of the most popular and effective cleaners used by hot tub owners. Plus, we’ll provide some helpful tips on how to clean your hot tub filter to keep it in top shape. Thanks for reading, and happy hot tubbing!

Our Finest Choice

Best Hot Tub Filter Cleaner

Leisure Time Filter Cleaner is an easy-to-use and effective formula for cleaning spa and hot tub filters. This water-soluble formula will quickly remove dirt, oil, grease, and other organic deposits without damaging the filter media. It cleans deep down into the pleats leaving your filter clean and extending the life of your filter.

Product Features:

  • Formulated to clean dirt, oil, grease, & other organic deposits quickly & effectively.
  • Water soluble formula.
  • Will not damage Spa or Hot tub filters.
  • Easy to use & store; no mess or heavy equipment necessary.
  • Cleans deeply into the pleats of your filter.
  • Reduces maintenance time & extends the life of filter media.
  • Works on all brands and types of pool filters, from DE and cartridge models to sand models.


  • Keeps the filter in good condition.
  • Helps extend the life of filter.


  • Might be caused foaming.

The Essential Values Pool & Spa Cartridge Cleaner is a revolutionary product that will help keep your pool and spa filters clean. This cleaner is specifically designed with powerful cleaning agents to remove any dirt or debris lodged in your filter cartridges without damage. It can be used on paper and pleated cartridge filters, allowing for extended filter life and improved water clarity. Perfect for both above-ground and inground pools/spas.

Product Features:

  • Ideal for cartridge filters on any pool or spa
  • Powerful concentrate cleans away heavy dirt build-up from each pleat of the filter
  • Larger bottle sizes allow up to 8 cleanings per bottle – enough for an entire season!
  • Safe for all types of filters; pleated, paper cartridge, DE & Sand Filters
  • The non-corrosive formula contains no harsh ingredients that can damage filter material.


  • Extended the life of the filter.
  • Cleared of all dirt and calcium deposits.


  • Overuse of the product can damage the filter and may not be good for the environment.

MAV AquaDoc Filter Cleanser is a powerful, all-in-one solution for maintaining the cleanliness and efficiency of your hot tub or spa filters. This highly effective cleanser removes dirt, oil, and other contaminants that can clog and reduce the effectiveness of your filters, helping to extend their lifespan.

Product Features:

  • Safe for all types of filters: Whether you have paper, Dacron, or pleated filters, MAV AquaDoc Filter Cleanser is safe to use.
  • Easy to use: Simply mix the recommended amount of MAV AquaDoc Filter Cleanser with water and soak your filters for a few hours.
  • Convenient: The compact size of the MAV AquaDoc Filter Cleanser makes it easy to store and use whenever you need it.
  • Effective: With regular use, MAV AquaDoc Filter Cleanser will help keep your hot tub or spa running smoothly and efficiently.


  • It is safe for use on most types of filters and systems.
  • Environmentally friendly.
  • specifically formulated to clean and remove dirt, oils, and other contaminants.


  • May not be effective in very hard water areas.



Eco One Spa & Hot Tub Filter Cleanser is an effective, safe, deep-cleaning solution for maintaining the performance of your hot tub’s filters. It continues working even after heating or draining your spa and can eliminate uncomfortable odor, filtration problems, and cloudy water. This fast-acting formula removes minerals, including iron, that build up on the filter surface while neutralizing organic waste particles to keep your hot tub looking fresh.

Product Features:

  • Deep cleaning formula works in harder-to-reach spots within the filter system.
  • Removes mineral build-up like iron from your hot tub’s filters for better performance.
  • Neutralizes organic waste particles to reduce odors and make the water look clearer.
  • Non-foaming and chlorine-free for convenience without creating irritation when bathing in spa water afterward.
  • The safe material product does not create harm during a flush cycle or keep chemicals from entering waterways after heat or draining a spa environment.
  • It works even if you forget to clean the filters regularly, as prolonged usage will not damage them further if Eco One is used correctly.


  • Eco-friendly and non-toxic.
  • Cleans filters to maintain optimal performance.
  • Safe to use on all brands and models of hot tubs.


  • Requires time and effort to apply the cleanser.

Black Diamond Ultimate Spa Filter Cleaner is a revolutionary filter cleaner designed to remove the most stubborn contaminants from your spa and pool filtration system. When your filter cartridge gets dirty, it becomes clogged with organic matter like oil, soap scum, sunscreen, dirt, and other things that can make your water cloudy and murky. This build-up causes your filter cartridge not to function properly and ultimately shortens its lifespan. Black Diamond Ultimate Spa Filter Cleaner is formulated to dissolve and wash away these types of build-ups quickly and easily. It is ideal for removing all types of contaminants and will leave your filter cartridge clean, clear, and ready to use. It is non-toxic, safe for your system and the environment, and won’t leave a slimy residue on the filter that can cause foam and cloudy water.

Product Features:

  • Special soaking solution targets dirt and grim build-up in any type of filter
  • Effectively eliminates fouling agents for improved filtration
  • Environmentally friendly formula causes no damage
  • Helps keep the spa clear and clean water. 
  • Easy to use with long-lasting results.


  • Ultimate Spa Filter Cleaner is fast acting and easy to use.
  • Safe for all types of pool and hot tub filters.
  • Removes dirt, oils, and debris from the filter efficiently and effectively.


  • Contains chemicals that may irritate the skin and eyes.

Why Is It Important to Clean My Hot Tub Filter?

To keep your hot tub in optimal condition, it is essential to regularly clean the filter. A dirty filter can reduce the circulation and filtration of the water, leading to a build-up of contaminants and potentially causing problems such as cloudy water, odors, and skin irritation. A clean filter, on the other hand, helps to keep the water clean and clear, ensuring a pleasant and enjoyable hot tub experience. In addition, regular filter cleaning can help extend the life of the filter and improve the overall performance of your hot tub.

Some Points to Consider When Purchasing A Hot Tub Filter Cleaner

Before buying a hot tub filter cleaner, there are some points to consider that we need to share with you.

Remove harmful elements: Check if the filter cleaner solution is capable of removing hazardous bacteria, algae, and germs from your hot tub. These are harmful if not treated. It is pointless to acquire a filter cleaner solution that does not remove these dangerous substances.

Prevent damaging the hot tub: Ensure that the filter cleaner will not cause damage to the hot tub. If the solution is too harsh, it might harm the hot tub and reduce its effectiveness.

Health issues: Check to see that the solution for cleaning the filter won’t trigger any adverse health effects. Some of the remedies contain substances that can be hazardous to one’s health.

Safety: Make sure the Filter cleaner you are using is safe for use on your hot tub. You will need to know the chemical ingredients of the Filter cleaner.

Eco-Friendliness: It’s very important to choose the best hot tub filter cleaner that is eco-friendly.

Effectiveness: It is essential to look for the best hot tub filter cleaner solution that effectively cleans your hot tub filter.

Price: There are many hot tub filter cleaners that are available in the market. Choose the best one at a reasonable price.

Properties: The properties of the filter cleaner solution will also determine its performance.

How to Clean Your Hot Tub Filter

You must use the proper hot tub filter cleaner to clean your hot tub filter. If you use any general cleaning product, it will not work properly and may harm the hot tub filter. Some people believe that cleaning a hot tub filter is difficult, but it is actually simple with the right cleanser and process. To clean your hot tub filter, start by removing the filter from the tub and rinsing it off with a garden hose. Next, mix a solution of water and a hot tub filter cleaner according to the manufacturer’s instructions, and soak the filter in the solution for a period of time. After soaking, rinse the filter thoroughly with clean water and reinsert it into the hot tub. It is recommended to clean your hot tub filter every three months to ensure optimal performance and hygiene.

You might be interested in the article “how to clean hot tub filter” which provides more information on deep cleaning a hot tub filter.

Useful Tips

  1. Do not use your hot tub without a filter in place. Operating your hot tub without a filter can lead to significant complications, such as clogged pump impellers and poor water quality.
  2. Use a hot tub filter cleaner that contains a disinfectant. This will help kill the bacteria and algae growing on the filter.
  3. You can replace an extra set of Filters when you remove the dirty filter. This way, you can keep continuing to use your hot tub while cleaning the dirty one.
  4. Do not attempt to clean your hot tub filter using DIY methods! Using unproven or inappropriate cleaning methods can potentially damage your filter.

There you have it! These are the best hot tub filter cleaners on the market. If you’re looking for an effective and affordable way to clean your hot tub filters, any one of these cleaners will do the trick.

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