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💦 Dive into spa luxury with cleaner, softer water—because your hot tub deserves the best!
The FROG Serene In-Line Cartridge Bundle features a 4-month mineral cartridge and three 200g bromine cartridges designed for select hot tubs with built-in cartridge holders. This dual-action system reduces bromine use by up to 50%, delivering softer, clearer water that’s easier on skin and hot tub surfaces. Prefilled cartridges simplify maintenance by eliminating measuring and mess, while minerals help maintain pH balance for consistently fresh, sanitized water.
| Best Sellers Rank | #24,324 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #69 in Pool Filter Cartridges |
| Brand | FROG |
| Customer Reviews | 4.7 out of 5 stars 65 Reviews |
| Item Form | Powder, Tablet |
| Item Weight | 2 Pounds |
| Number of Items | 1 |
| Product Benefits | Controls Algae, Maintains Clean Sanitized Water, Protects Against Skin Irritation |
| UPC | 722906005643 |
E**.
Price
The product was very good
A**R
Easy To Use
Great product that keeps your hot tub sanitized without having to physically add a sanitizer.
O**R
Good set, but...
I have no issues with the product performance. Easy to use, great water, no smell, all good. I have an issue with the packaging. I replace the Bromine cartridge every month, and the Metals cartridge every 4 months as directed by the manufacturer. So why do I only get 3 months worth of Bromine?
T**S
Expensive but Easy Use
Makes maintenance easy!!!
R**N
Good stuff
Good value. Quick delivery. Much better than the yellow cartridges in a floating system.
B**Y
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R**A
Excellent for soft skin
Love this stuff! I can’t stand the chlorine in the hot tub but this stuff is great! Keeps the tub clean and my skin soft!
S**.
As advertised.
These work as advertised. The price is in line with other vendors, but the price seems inflated for what it is.
Trustpilot
1 month ago
2 days ago