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John
July 30, 2025
Product arrived on time and as expected.
Casey Twibell
July 28, 2025
Keeps hot tub perfect
aussie
July 14, 2025
Use it for our hot tub. Works well. I’m pleased.
A. Glover
June 26, 2025
I've use these cartridges for years. Seems like all the prices are going up. This is a must have item for me.
Hippyfoo
June 4, 2025
we have well water and it can be challenging to keep hot tub water clean with the basic chemicals. We have owned three hot tubs over the past 25 years and this is the first time maintenance has been a lot easier without the drastic changes in chemical balance. Using this product along with daily/weekly/monthly schedule of chemicals, filters, etc... will keep the water clear very efficiently extending the life of the tub
DAZ
June 3, 2025
I get one every 6 months and works.
gary & linda castine
April 30, 2025
I use this all the time in our hot tub
sher
April 26, 2025
Little pricey
John
April 25, 2025
Product arrived on time and as expected.
Casey Twibell
April 3, 2025
Keeps hot tub perfect
aussie
January 26, 2025
Use it for our hot tub. Works well. I’m pleased.
A. Glover
January 11, 2025
I've use these cartridges for years. Seems like all the prices are going up. This is a must have item for me.
Hippyfoo
December 27, 2024
we have well water and it can be challenging to keep hot tub water clean with the basic chemicals. We have owned three hot tubs over the past 25 years and this is the first time maintenance has been a lot easier without the drastic changes in chemical balance. Using this product along with daily/weekly/monthly schedule of chemicals, filters, etc... will keep the water clear very efficiently extending the life of the tub
DAZ
December 25, 2024
I get one every 6 months and works.
gary & linda castine
December 23, 2024
I use this all the time in our hot tub
sher
December 5, 2024
Little pricey
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