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Your cart is empty.4.4 out of 5 stars
- #73,915 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
- #174 in Swimming Pool Clarifiers & Enzymes
The HTH Filter Cleaner is the perfect solution for clearing out all the gunk that the swimming pool filter catches, so that it can continue to run correctly and keep your water ready for fun all season long. It's easy to use - simply apply in the evening and allow to work overnight. This product is great for all types of pool filters including cartridges, D.E., and sand filters, and for all pool types including saltwater systems. It helps the filtration system to work more efficiently and last longer. One 1-qt container of filter cleaner is included, so you can keep your pool filter in top condition with HTH.
Robert Almany
Reviewed in the United States on March 2, 2025
Does what is says it will do!
BPalmer
Reviewed in the United States on February 28, 2025
Easy to use and it's a great once a year method to keep your sand filter running clean and perfectly.
C. Tate
Reviewed in the United States on January 6, 2025
Use this when the pool water gets cloudy. I use more than called for.
Adam Scheidler
Reviewed in the United States on January 29, 2025
Great price compared to the pool store and has the same effectiveness. Used a brute 55 gallon trash can for soaking. Let it sit overnight and the next day sprayed it off. Noticed an increase in pool water flow immediately.
JG
Reviewed in the United States on September 29, 2024
Best cleaner I've uses for my DE pool filter. End of the season, I remove the top of the filter and rinse the inside. I pre rinse the filter fingers, grab a 5 gallon pail and fill 3/4 full with water. Then pour in this cleaner; full bottle and place the fingers in the pail for a weekend. Remove and rinse we'll. Then I use the pail water to clean out the inside of the DE filter drum. Doesn't get much easier.
Laner1
Reviewed in Canada on September 23, 2024
As a first time user I found this product did a quality job alabeit to be 100% effective you need a large enough container the will hold 4 large cartridge filters. I used a lg garbage pail filled with hot water and a bottle of this filter cleaner. Recommends the filters be submerged completely which I couldn't do so had to remove and reinstall upside down. Only did this processfor approx 6 to 7 hours when instructions say overnite approx 10 to 12 hours. To be clear I had already used a garden hose to clean the most sediment from the cartridge filters already. My observation showed the filters were substantially cleaner than my previous efforts. I would give a rating of 8 until I could complete this process again using a container suitable to hold all four cartridge filters submerged for 24 hours. Very time consuming but that what it takes to do is correctly. The joys of taking care of your very expensive investment. It take time,money and effort. Enjoy the clear pool water filtration your efforts produce. Regards Laner1
Todd
Reviewed in Canada on September 17, 2024
Purchased two bottles to clean my pool filters and didn’t do anything. I used it to the clean the one filter on the left. Still dirty. Complete waste of time and money.
DomenicoGuerriero
Reviewed in Canada on June 27, 2024
It did the job
kiwim8
Reviewed in the United States on November 6, 2024
Cleaned the cartridges with the hose to get the bulk of them cleaned, through them in a plastic trash can and filled with water and 2 bottles of product, left them soaking for about 30 hrs, What I found was that it really cleaned out the filament of the cartridges, got rid of the build up of the finer particles and has them flowing freely again. It didn't " bleach the cartridge to make it look like new , like some reviews complained about, but it do the job I was expecting it too do
PK
Reviewed in the United States on October 31, 2024
Bought to clean Dolphin extra fine filters. Cleaned filters marginally.
Jean Francois
Reviewed in Canada on April 29, 2024
Work as it’s supposed to happy customers 👍
Lynn D
Reviewed in Canada on April 20, 2024
good for cleaning the filters of my hot tub
Bos Indicus
Reviewed in the United States on October 30, 2023
We have an outdoor swimming pool with a sand filter and have purchased this product for the last three years. The first year I was uncertain of the best way to use the product, so called the company, asking if it would be best to (i) add the product while back-flushing the filter, allowing it to cycle through the filter in just a few minutes, or (ii) add the product, allow it to reach the filter, then turn the back-flush off so that the product remained in the filter for 12 hours.The answer was that the product would be much more effective if it was given dwell time in the sand filter, so this is what we do. We take care with keeping our pool clean, back-flushing the sand filter as needed, but it's surprising when we turn the back-flush on again after the HTH treatment how dirty the ejected water is.So, for us the product works well and just one application a year is enough. We will continue to buy the product if it is priced appropriately, as it presently is.
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