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Bob Wilson
2025-07-08 17:27:06
This is a very helpful, effective and convenient system for hot tub chemical maintenance.
Jerry Eldridge
2025-06-21 10:25:09
Happy hot tube
Dennis R Slack
2025-06-02 13:25:00
We use these cartridges in our spa, and they really work well. They are a little pricey; however, for what they do, the money is well worth it. They also last a long time with a setting of 1 or 2, which is more than enough for an average hot tub.
Karlye
2025-05-31 18:03:06
This product is great and also a huge savings compared to pool and spa stores. One set lasts at least 6 months (contingent on how much you use your spa). Installation is a breeze and the two day delivery is always wonderful.
Customer
2025-05-27 13:08:29
We like this product, keeps hot tub clear and odor free
John
2025-05-07 10:27:58
I use these in my 4 person hot tub along with shock. The cartridges work well so long as you have them on the right settings. Everyones water is different so you have to find your sweet spot. The yellow cartridges used to be green cartridges. Not sure why they changed the color. But just know yellow used to be green.
Ben Hollowell
2025-04-19 17:43:15
Reasonable price and great customer service.
Martin Frye
2024-12-10 12:03:22
And cheaper than I can buy at local hot tub store
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