Can You Clean Hot Tub Filters With Bleach?

  • By: Adam
  • Date: September 18, 2022
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If you’re a hot tub owner, then you know that keeping your hot tub clean is essential for ensuring its lifespan and enjoyable experience.

And one of the most important parts of cleaning your hot tub is keeping the filters clean.

So can you clean a hot tub filter with bleach?

The answer may surprise you! Keep reading to find out more. . . .

Should You Use Bleach For Cleaning Hot Tub Filters 

The answer to this question is absolutely NOT! At least not in its fully concentrated form.

You may have heard that bleach is a powerful cleaning agent that can kill germs and bacteria.

And while this is true, bleach is also a very harsh chemical that can damage hot tub filters.

Bleach can break down the material of the hot tub filter, causing it to deteriorate faster.

Steps For Cleaning Your Hot Tub Filter Properly

Now that we know that bleach is bad for your hot tub filter, what should you use instead?

Here are some simple steps for cleaning your hot tub filter properly:

As always check your manufacturer’s guide first, as some hot tubs have different instructions.

Gather the items you will need to begin:

– hot tub filter

– hose

– Garden hose adapter (optional)

– clean bucket

– Filter cleaning solution and towel

Start by removing the hot tub filter from the hot tub. You will then need to soak the filter in a clean bucket filled with hot water and filter cleaning solution.

The ratio of water to filter cleaning solution will depend on the product you are using. Follow the instructions on the bottle.

dirty hot tub filter

Let the filter soak for at least 15 minutes, or according to the directions on the filter cleaning solution bottle.

After soaking, remove the hot tub filter and rinse it thoroughly with a hose. If you have a garden hose adapter, you can attach it to the hot tub filter and rinse it that way.

Once the hot tub filter is rinsed, you can use a towel to dry it off. Make sure the hot tub filter is completely dry before putting it back in the hot tub.

If you want to disinfect your hot tub filter, you can soak it in a bleach solution. To make a bleach solution, mix one-part bleach with 10 parts of water. Soak the hot tub filter in the solution for at least 15 minutes.

Alternatives To Using bleach when cleaning hot tub filters 

There are other alternative methods to clean hot tub filters without bleach.

You can purchase hot tub filter cleaners that are specifically designed to clean and disinfect hot tub filters.

These cleaners usually come in a powder form that you mix with water. Follow the instructions on the hot tub filter cleaner to make the solution.

Some hot tub filter cleaners require you to soak the hot tub filter in the solution for a certain amount of time.


Vinegar– water solution: mix one-part vinegar with 10 parts of water. Soak the hot tub filter in the solution for at least 15 minutes. Then follow the rinse method above.

Dishwasher or Laundry Detergent – These two alternatives are better for paper filters. However a word of caution to those who use this method because if not properly rinsed, then foam could build up in your hot tub.

How Often Should You Clean Your Hot Tub Filter

To answer this question, it depends on how often you use your hot tub and if you live in an area with a lot of pollen or other airborne particles.

As a general rule, hot tub filters should be cleaned every 2 to 4 weeks.

If you have any questions about hot tub filter care or check your owner’s manual.

Of course, you can schedule hot tub filter cleaning and maintenance through your local hot tub service company.

Tips For Keeping Your Hot Tub Filters Clean and In Good Condition

To keep your hot tub filter lasting longer it is recommended to clean your hot tub filter at least weekly or every two weeks so that it does not get gummed up with oils and other hot tub chemicals.

Simply remove the filter and spray all the filter pleats with a garden hose.

It is also recommended that every month you remove the filter and spray it with a chemical rinse using one of these great products like this one on Amazon:


Lastly, every 3 to 4 months you will want to dilute the filter and soak it in a chemical filter soak solution at let it rest in the bucket for at least 24 hours or overnight if at all possible.

Remove the filter after the soak, totally rinse and let the filter air dry before placing it back in the hot tub.

Final Thoughts On Cleaning Your Hot Tub Filter

Cleaning your hot tub filters with bleach is a great way to keep your hot tub clean and sanitized.

Bleach is a powerful cleaning agent that can kill bacteria and germs, making it an ideal choice for hot tub filter cleaning. But you must always remember to dilute this chemical because it is so powerful.

However, it is important to use bleach safely and correctly to avoid damaging your hot tub filters.

Be sure to follow the manufacturer’s instructions carefully and always rinse the filters thoroughly after cleaning.

Be sure to share your comments on cleaning a hot tub filter experience with us! Leave your comments below…

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