---
product_id: 496636335
title: "FROG Serene Floating System for Hot Tubs - Quick & Easy Prefilled Hot Tub Sanitizer - Hot Tub Maintenance System with Sanitizing Minerals & Bromine"
brand: "frog"
price: "€ 104.79"
currency: EUR
in_stock: true
reviews_count: 8
category: "Frog"
url: https://www.desertcart.pt/products/496636335-frog-serene-floating-system-for-hot-tubs-quick-and-easy
store_origin: PT
region: Portugal
---

# 4-month mineral cartridge life Up to 50% less bromine use Dual mineral + bromine sanitization FROG Serene Floating System for Hot Tubs - Quick & Easy Prefilled Hot Tub Sanitizer - Hot Tub Maintenance System with Sanitizing Minerals & Bromine

**Brand:** frog
**Price:** € 104.79
**Availability:** ✅ In Stock

## Summary

> 💧 Dive into effortless luxury with FROG Serene—where clean meets calm.

## Quick Answers

- **What is this?** FROG Serene Floating System for Hot Tubs - Quick & Easy Prefilled Hot Tub Sanitizer - Hot Tub Maintenance System with Sanitizing Minerals & Bromine by frog
- **How much does it cost?** € 104.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/496636335-frog-serene-floating-system-for-hot-tubs-quick-and-easy)

## 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 Spa Care:** Prefilled cartridges and test strips make maintenance a breeze—no guesswork, just pure relaxation.
- • **Long-Lasting Sanitization:** Mineral cartridge lasts 4 months; bromine cartridge lasts 2-4 weeks—less frequent replacements, more soak time.
- • **Gentle on Skin & Swimsuits:** Uses up to 50% less bromine, reducing odors and irritation for a spa experience that feels as good as it looks.
- • **Trusted Water Care Expertise:** Backed by 25+ years of innovation, FROG’s system ensures your hot tub stays pristine with minimal effort.
- • **Silky Soft Fresh Mineral Water:** Patented mineral formula combined with low bromine delivers crystal-clear, skin-friendly water every soak.

## Overview

The FROG Serene Floating System is a quick, easy-to-use hot tub sanitizer featuring prefilled mineral and bromine cartridges. It combines patented mineral technology with low-level bromine to maintain clean, soft water while using up to 50% less bromine than traditional methods. With long-lasting cartridges and included test strips, it simplifies hot tub maintenance, reduces skin irritation and odors, and is trusted by over 25 years of water care expertise.

## Description

desertcart.com : FROG Serene Floating System for Hot Tubs - Quick & Easy Prefilled Hot Tub Sanitizer - Hot Tub Maintenance System with Sanitizing Minerals & Bromine : Patio, Lawn & Garden

Review: Best Hot Tub Maintenance Decision - Best decision we've made about hot tub maintenance. It has saved us so much hassle and has lasted over a month for the first yellow cartridge. The water looks clear, clean, and smells good. Very happy I stumbled across this product.
Review: Easy to use 2 in 1 - First time using a bromide sanitizer for my spa . This product was recommended by my knowledgeable salesperson. It has both mineral and bromide for clear water quality, no smell like chlorine sanitizers . Bromide works best in hot water spas and dose not break down as fast chlorine. Keeps my spa levels in the right area for use .

## Features

- Hot Tub Sanitizing System: FROG Serene Floating Sanitizing System includes a bromine cartridge, sanitizing minerals cartridge, FROG Test Strips and FROG Jump Start startup shock for effortless spa care
- Innovative Technology for Clean Water: FROG Serene combines our patented mineral formula with a low level of bromine to create clean, silky soft Fresh Mineral Water in your hot tub
- Long-Lasting Performance: FROG Serene mineral cartridge lasts four months and the bromine cartridge lasts 2 to 4 weeks; easily check when a Bromine Cartridge replacement is needed with the included FROG Test Strips
- Hot Tub Sanitization: With FROG Serene, you use up to 50%* less bromine, making the water easier on skin, swimsuits and your hot tub’s surfaces; slow dissolving bromine creates far less odors than traditional chlorine
- Water Care Expertise: FROG has more than 25 years of experience making water care easier & keeping pool, hot tub and swim spa water sanitized; FROG's patented Mineral Technology and prefilled cartridges create cleaner, clearer, softer water

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BG1CY186 |
| Best Sellers Rank | #4,766 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #9 in Swimming Pool Bromine |
| Brand | FROG |
| Customer Reviews | 4.5 4.5 out of 5 stars (753) |
| Item Form | Granular |
| Item Weight | 1.19 pounds |
| Item model number | 01-14-3883 |
| Manufacturer | King Technology |
| Number of Items | 1 |
| Product Benefits | Kills Bacteria, Maintains Clean Sanitized Water, Protects Against Skin Irritation, Reduces Chlorine Odor |
| Product Dimensions | 6 x 6 x 12 inches |
| UPC | 722906005469 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** FROG
- **Item Form:** Granular
- **Item Weight:** 1.19 Pounds
- **UPC:** 722906005469

## Images

![FROG Serene Floating System for Hot Tubs - Quick & Easy Prefilled Hot Tub Sanitizer - Hot Tub Maintenance System with Sanitizing Minerals & Bromine - Image 1](https://m.media-amazon.com/images/I/41UuYSKLWkL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Does this have to be used in hot water?**
A: I have always used it in my hot tub! When I turn off the hot tub and it cools I still leave it in but I think it’s mainly designed for hot tubs

**Q: This is our first hot tub, its a 6 person plug and play with an Ozone Purification sys. We added this to it, will there be any other chemicals needed?**
A: Yes you will need to balance your water chemistry one time a week Ph alkalinity and calcium. and shock or bromo boost the spa 1x month

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best Hot Tub Maintenance Decision
*by L***A on January 26, 2026*

Best decision we've made about hot tub maintenance. It has saved us so much hassle and has lasted over a month for the first yellow cartridge. The water looks clear, clean, and smells good. Very happy I stumbled across this product.

### ⭐⭐⭐⭐⭐ Easy to use 2 in 1
*by J***N on June 23, 2025*

First time using a bromide sanitizer for my spa . This product was recommended by my knowledgeable salesperson. It has both mineral and bromide for clear water quality, no smell like chlorine sanitizers . Bromide works best in hot water spas and dose not break down as fast chlorine. Keeps my spa levels in the right area for use .

### ⭐⭐⭐⭐⭐ Great system!
*by J***H on January 28, 2026*

We have used it for years with our hot tub. The jumpstart packet is great after cleaning and refilling. We then put the system in the next day. Heck of a lot cheaper buying it on here than through one of our local pool stores.

## Frequently Bought Together

- FROG Serene Floating System for Hot Tubs - Quick & Easy Prefilled Hot Tub Sanitizer - Hot Tub Maintenance System with Sanitizing Minerals & Bromine
- FROG Serene Replacement Mineral Cartridge with 4 Replacement Bromine Cartridges for use with Hot Tub FROG Serene Floating Sanitizing System - Prefilled for Quick & Easy Hot Tub Maintenance
- FROG Jump Start for Hot Tubs - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Hot Tub Set Up & Treatment - 1 Pack

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---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-22*