What is the best thing to clean hot tub filters with?

It's best to use a commercial hot tub filter cleaning product. While DIY options such as vinegar may help remove some deposits, they won't be enough to remove all contaminants from the filter. Commercial products, on the other hand, will effectively loosen grease and oils so that you can easily wash and rinse them away with a hose.

How often do you need to soak a hot tub filter?

Ideally, you want to soak and clean the filter in a cleaning solution every one to two months- when you're changing the water for the hot tub. Never use dishwater detergent, bleach, or other household cleaners. Depending on how often you're using the spa, however, you may want to rinse your filters once a week to prevent residue from building up.

What happens if you don't clean your hot tub filter?

Over time, sediment and other debris can clog the filters if they're not cleaned properly. That will decrease water flow, which will make it more difficult for water to pump through the filter. Not only that but chemicals can also accumulate and eat away at the filter material. That's why it's so important to keep up with your cleaning schedule.

Why is my hot tub filter turning brown?

Metals in the water such as iron can stain the filter over time, giving them a light brown appearance. In some cases, it may also appear yellow, green, gray, or purple. Fortunately, the presence of metals doesn't affect the filter's performance, or the length of time between cleanings.

Do you need to pre soak hot tub filters?

Unless you're using a non-rinse cleaner, it's highly recommended that you soak the filter for a few hours. Just make sure to rinse it thoroughly with water afterward, otherwise you'll get excessive foaming.

Can I soak my hot tub filter in chlorine?

No, harsh chemicals such as chlorine and bleach should never be used to clean hot tub filters. They can easily damage the filter media and reduce its lifespan. Household cleaners should also be avoided as that can cause significant foaming.

Why does my hot tub filter keep clogging?

Hot tub filters can easily clog with dirt and other debris. If left alone, they can cause the filter to stop working entirely and that can lead to bad odors, cloudy water, and even skin irritation.

How often do you need to change a hot tub filter?

It's highly recommended that you replace the hot tub filter once a year. Some higher-quality products, however, can be used for up to two to thee years, depending on how often the spa is used. Low-quality filters, however, generally need to be replaced much sooner.

Home & Garden

Top 10 Best Hot Tub Filter Cleaners in 2026

Brooke Carter

Nov 27, 2023

	Our Top Pick
Spa Depot Power Soak Filter Deep Cleaner	ACTIVE Hot Tub & Spa Filter Cleaner	AquaDoc Professional Filter Clean Spa & Pool Care
4.6	5.0	4.4
~~$28.98~~$24.98 ($0.78 / Ounce)	$19.95