---
product_id: 637626028
title: "FROG Serene Bromine Replacement Cartridge for Hot Tubs for use only with FROG Serene in-Line and Floating Sanitizing Systems for Spas up to 600 gallons, Quick and Easy Hot Tub Sanitizer – 150 Grams"
brand: "frog"
price: "€ 50.00"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/637626028-frog-serene-bromine-replacement-cartridge-for-hot-tubs-for-use
store_origin: IE
region: Ireland
---

# Lasts 2-4 weeks per cartridge Kills bacteria 2 ways Prefilled & recyclable FROG Serene Bromine Replacement Cartridge for Hot Tubs for use only with FROG Serene in-Line and Floating Sanitizing Systems for Spas up to 600 gallons, Quick and Easy Hot Tub Sanitizer – 150 Grams

**Brand:** frog
**Price:** € 50.00
**Availability:** ✅ In Stock

## Summary

> ♨️ Elevate your soak with cleaner, softer water — because your hot tub deserves the best!

## Quick Answers

- **What is this?** FROG Serene Bromine Replacement Cartridge for Hot Tubs for use only with FROG Serene in-Line and Floating Sanitizing Systems for Spas up to 600 gallons, Quick and Easy Hot Tub Sanitizer – 150 Grams by frog
- **How much does it cost?** € 50.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/637626028-frog-serene-bromine-replacement-cartridge-for-hot-tubs-for-use)

## Best For

- frog enthusiasts

## Why This Product

- Trusted frog brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Maintenance:** Prefilled cartridge design makes replacement quick, easy, and mess-free.
- • **Customizable Bromine Levels:** Dial in the perfect sanitizer strength tailored to your hot tub’s needs.
- • **Dual-Action Sanitizing Power:** Combines low-level bromine with mineral cartridges to kill bacteria effectively and gently.
- • **Eco-Conscious & Long-Lasting:** Each cartridge lasts up to 4 weeks and is fully recyclable, supporting sustainable spa care.
- • **Up to 50% Less Bromine Usage:** Reduces harsh chemicals for softer skin, hair, and swimsuit-friendly water.

## Overview

The FROG Serene Bromine Replacement Cartridge is a prefilled, recyclable sanitizer designed for hot tubs up to 600 gallons. It works synergistically with FROG Sanitizing Minerals to kill bacteria two ways, reduce bromine use by up to 50%, and maintain balanced, soft water. Lasting 2-4 weeks per cartridge, it offers customizable bromine levels for hassle-free, effective hot tub sanitation.

## Description

FROG Serene Bromine Replacement Cartridge for Hot Tubs for use only with FROG Serene in-Line and Floating Sanitizing Systems for Spas up to 600 gallons, Quick and Easy Hot Tub Sanitizer – 150 Grams

## Features

- For use in FROG Serene (formerly Spa FROG) Floating System or In-Line System with the Mineral Cartridge (sold separately); FROG Serene kills bacteria 2 ways with a low level of bromine and FROG Sanitizing Minerals
- The FROG Serene Fresh Mineral Water hot tub system uses Bromine and Mineral Cartridges that work together to kill bacteria 2 ways, reduce bromine use up to 50%* and improve the overall quality of hot tub water
- You use less bromine, making water easier on skin, hair, swimsuits, and your hot tub’s surfaces. FROG Sanitizing Minerals condition the water for softness and absorb acid to help keep pH balanced
- The Bromine Cartridge can be dialed in to meet your hot tub’s precise needs and is designed to last 2-4 weeks per cartridge. It’s prefilled, making replacement quick and easy, plus it’s recyclable when empty
- Unlike chlorine, bromine slowly dissolves in hot water so it’s easier to regulate, has far less odors and is less impacted by pH swings making sanitizing more effective. Say goodbye to constant monitoring. The Mineral Cartridge must be replaced every 4 months to effectively sanitize the hot tub, it works with the Bromine Cartridge to kill bacteria 2 ways.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 5.44 x 5.44 x 17.78 cm; 231.33 g |
| Part number | 01-14-3824 |
| Power source type | Manual |
| Manufacturer | FROG |
| Item model number | 01-14-3824 |
| ASIN | B0BF2VRGKR |

## Product Details

- **Brand:** FROG
- **Item weight:** 0.51 Pounds
- **Item form:** Tablet
- **Product benefits:** Kills Bacteria
- **UPC:** 722906005391

## Images

![FROG Serene Bromine Replacement Cartridge for Hot Tubs for use only with FROG Serene in-Line and Floating Sanitizing Systems for Spas up to 600 gallons, Quick and Easy Hot Tub Sanitizer – 150 Grams - Image 1](https://m.media-amazon.com/images/I/71Ub6Lxf6wL.jpg)

## Questions & Answers

**Q: How long does the bromine cartridge last?**
A: The yellow bromine cartridge lasts 2 to 4 weeks depending on the size of your hot tub and how often it is used.

**Q: What are the benefits of using bromine instead of chlorine to sanitize my hot tub?**
A: Bromine can be an excellent alternative to chlorine for hot tubs – it is gentler on your skin, eyes and respiratory system which makes it a better option for users with sensitive skin or allergies. It also has a milder odor compared to chlorine.

**Q: How is FROG Serene different from traditional sanitizing methods?**
A: If you are tired of chlorine odors and measuring chemicals, FROG Serene is for you. FROG Serene is not just bromine – it uses minerals to create Fresh Mineral Water in your hot tub. Prefilled cartridges eliminate guessing and handling of chemicals.

**Q: What is Fresh Mineral Water?**
A: FROG’s Sanitizing Minerals and a low level of bromine make cleaner, clearer, softer water that's easier to take care of. It's sanitized water without the harshness of other products and with prefilled cartridges it's much easier too.

**Q: What's included in the box?**
A: 1 FROG Serene Bromine Cartridge

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ie/products/637626028-frog-serene-bromine-replacement-cartridge-for-hot-tubs-for-use](https://www.desertcart.ie/products/637626028-frog-serene-bromine-replacement-cartridge-for-hot-tubs-for-use)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-03*