Spa Frog Serene Bromine Cartridge

Spa Frog Serene Bromine Cartridge
Spa Frog Serene Bromine Cartridge
Spa Frog Serene Bromine Cartridge

Spa Frog Serene Bromine Cartridge

Regular price $14.75
Standard Delivery to US-48 Only This item is not available for air shipment, nor for delivery to Alaska, Hawaii, or Canada.
  • In stock, ready to ship
  • Inventory on the way
Ships next business day.


Spa Frog Serene Bromine Cartridge for use in Floating System and Inline System. Use with companion Mineral Cartridge.

  • Adjustable yellow bromine cartridge
  • For Frog Floating or Inline systems

Product notes: Bromine cartridge lasts 2-4 weeks. Inline system factory-installed on spas including Emerald, Coast, Saratoga, Caldera, Marquis, Morgan, Watkins Hot Spot, Pacific Hot Tubs, Catalina, Cal Spas, Leisure Bay. Use with blue Mineral Cartridge.

Customer Reviews

Based on 75 reviews
Thomas S.
Good product

I have been using the Spa Frog Bromine cartridge for 10 years. It has been a consistently good product and has kept my hot tub in chemical balance. I highly recommend the product. The price has risen dramatically, but name something that hasn't.

Raymond W.

All is good.

Nancy J.
The Frog System is Great

I have been using the floating Frog Mineral & Bromine Cartridges for years. They are easy to use and help build confidence in a clean and healthy hot tub. Spa Depot is a dependable web store for all my hot tub needs!

Mike T.
spa frog

item is simple and easy. I've had it in use for about 4 months and it seems to reduce constant addition of granular but I really cannot see much of a difference other than I feel like I can go a couple days without checking the levels with some confidence.

Ranger C.
Yes would for sure

Real fast service, will always use Spa Depot

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