FROG® Serene™ Replacement Bromine Cartridge for Hot Tubs – Prefilled 1 Pack (Compatible with FROG® Serene™ Floating Sanitizing System)

Name: FROG® Serene™ Replacement Bromine Cartridge for Hot Tubs – Prefilled 1 Pack (Compatible with FROG® Serene™ Floating Sanitizing System)
Brand: Essentials®
SKU: ES-2535
Price: 15.95 USD
Availability: InStock

Type: Sanitizer

SKU: ES-2535

$15.95

$15.95 ~~$0.00~~

Shipping calculated at checkout.

Available in stock

Maintain clean, crystal-clear spa water with the FROG® Serene™ Replacement Bromine Cartridge (1 pack). Pre-filled and ready to go, this cartridge works with the FROG® Serene™ Floating or In-Line Sanitizing System to simplify hot tub maintenance. Each cartridge lasts approximately 2-4 weeks (depending on usage), and when paired with the FROG® Sanitizing Minerals, you can reduce bromine use up to 50%. Gentle on skin, swimsuits and spa surfaces, this swap-in solution means no mess, no measuring, and faster turnaround time between uses.

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Product Description

Designed specifically for the FROG® Serene™ spa system, this pre-filled bromine cartridge snaps into either the floating or in-line dispenser and begins sanitizing immediately.
The cartridge lasts roughly 2 to 4 weeks, depending on spa size, usage and dial setting — saving you time and effort compared to traditional bromine tabs.
When used together with the FROG® Sanitizing Minerals, overall bromine consumption can be reduced by up to 50%, while still providing effective sanitation for your hot tub water.
The low-bromine, mineral-enhanced chemistry helps water feel softer, reduces skin and swimsuit bleaching, and offers a clearer, more comfortable soak experience.
Easy to install: Remove the spent cartridge, insert the new one, set the dial, and you’re ready to go — no measuring, scooping or guess-work required.
Compatible with hot tubs and spas that feature the FROG® Serene™ Floating or In-Line delivery system (for units up to approximately 600 gallons). Verify compatibility with your spa manufacturer.

Specifications

Brand : FROG

Dimensions: 6.97" × 1.97" × 1.89"

Barcode: 722906038214

FAQ

Q: Can I use bromine with the FROG® Serene™ system?

A: Yes — the FROG® Serene™ Mineral System is designed to work with bromine-based cartridges, making it compatible and effective for hot tub use.

Q: How much bromine do I really need when using this system?

A: With the FROG® Serene™ system, you only need about 0.5 ppm bromine when the mineral cartridge is installed — significantly less than the typical 2.0 ppm usually required.

Q: How often should I replace the bromine cartridge?

A: The cartridge is pre-filled and designed to last approximately 2 to 4 weeks depending on spa size, usage, and dial setting.

Directions

Insert the cartridge into the designated holder of your FROG® Serene™ Floating or In-Line Sanitizing System.

Adjust the dial to the appropriate setting for your spa size and usage.

Monitor bromine residual for the first 24 hours and then periodically thereafter.

Replace the cartridge every 2–4 weeks, or sooner if output diminishes.

Compatability

FROG® Serene™ Replacement Bromine Cartridge for Hot Tubs – Prefilled 1 Pack (Compatible with FROG® Serene™ Floating Sanitizing System)

$15.95

$15.95 ~~$0.00~~

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Hot tub

Great

⭐⭐⭐⭐⭐ Crystal Clear Water, Effortless Maintenance!

I've been a hot tub owner for years, and I've tried just about every sanitation system out there. Let me tell you, the FROG Serene Bromine Replacement Cartridge has been a game-changer! I was hesitant to switch from traditional chlorine, but the ease of use and the consistently beautiful water have completely won me over.Installation was a breeze – just pop it in and adjust the dial. The water has never looked or felt better. It's incredibly clear, and the bromine level stays perfectly balanced, meaning I spend less time fussing with chemicals and more time enjoying my hot tub. No more harsh chlorine smells or irritated skin!What truly sets this product apart is the longevity of the cartridge. I'm amazed at how long it lasts, saving me both time and money. Plus, the peace of mind knowing my water is sanitized effectively is priceless.If you're looking for a simple, effective, and gentle sanitation system for your hot tub, look no further than the FROG Serene Bromine Replacement Cartridge. It's truly a 5-star product that has made hot tub ownership a much more enjoyable experience. Highly recommend!

A really good choice!

I really like that these are adjustable so they will work in any sized spa. There is no unpleasant odor yet I know my spa is healthy to use with these bromine cartridges..

Good product

Works well good price

Keeps my spa sanitized

I love having a cartridge system for my spa. The frog system is no mess and keeps my bromine levels where they need to be. I have these on subscription monthly so I don't run out.

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FROG® Serene™ Replacement Bromine Cartridge for Hot Tubs – Prefilled 1 Pack (Compatible with FROG® Serene™ Floating Sanitizing System)

FROG® Serene™ Replacement Bromine Cartridge for Hot Tubs – Prefilled 1 Pack (Compatible with FROG® Serene™ Floating Sanitizing System)

Product Description

Specifications

FAQ

Directions

Compatability

FROG® Serene™ Replacement Bromine Cartridge for Hot Tubs – Prefilled 1 Pack (Compatible with FROG® Serene™ Floating Sanitizing System)