---
product_id: 538444973
title: "5 kg Multifunctional Chlorine Tablets 20g, Small 4-in-1 Tablets Suitable for Hot Tubs, Swimming Pools and Spas"
brand: "bluewater pool & spa chemicals"
price: "€ 210.61"
currency: EUR
in_stock: true
reviews_count: 8
category: "Bluewater Pool & Spa Chemicals"
url: https://www.desertcart.nl/products/538444973-5-kg-multifunctional-chlorine-tablets-20g-small-4-in-1
store_origin: NL
region: Netherlands
---

# Fast-dissolving 20g tablets UV protection with Cyanuric Acid 4-in-1 formula: chlorine + algaecide + stabiliser + clarifier 5 kg Multifunctional Chlorine Tablets 20g, Small 4-in-1 Tablets Suitable for Hot Tubs, Swimming Pools and Spas

**Brand:** bluewater pool & spa chemicals
**Price:** € 210.61
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your water crystal clear and chlorine-smart—because your pool deserves the best!

## Quick Answers

- **What is this?** 5 kg Multifunctional Chlorine Tablets 20g, Small 4-in-1 Tablets Suitable for Hot Tubs, Swimming Pools and Spas by bluewater pool & spa chemicals
- **How much does it cost?** € 210.61 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/538444973-5-kg-multifunctional-chlorine-tablets-20g-small-4-in-1)

## Best For

- bluewater pool & spa chemicals enthusiasts

## Why This Product

- Trusted bluewater pool & spa chemicals brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Use:** Perfectly suited for hot tubs, swimming pools, and spas—your all-season water guardian.
- • **Sunlight Shield:** Built-in Cyanuric Acid guards chlorine from UV degradation, keeping water fresh longer.
- • **Balanced Comfort:** Near-neutral pH ensures optimal water balance and a gentle experience for bathers.
- • **All-in-One Protection:** 4-in-1 formula kills bacteria, prevents algae, stabilizes chlorine, and clarifies water.
- • **Effortless Water Care:** Compact 20g tablets dissolve quickly for hassle-free pool & spa maintenance.

## Overview

These 20g multifunctional chlorine tablets offer a fast-dissolving, 4-in-1 water treatment solution combining chlorine, algaecide, stabiliser, and clarifier. Designed for hot tubs, pools, and spas, they maintain balanced pH near neutral and include Cyanuric Acid to protect chlorine from sunlight, ensuring safe, clean, and crystal-clear water with minimal maintenance.

## Description

Product description Our Multi-functional Chlorine Tablets also contain an algaecide to tackle the problem of green water and a clarifier to keep your water crystal clear. The pH properties of the tablets will make it easier to balance water in hard water areas making it ideal for use in outdoor pools. Used for the chlorination of swimming pools and spas they kill bacteria enabling a safe bathing environment. They contain Cyanuric Acid and are automatically stabilised to prevent the destruction of chlorine by sunlight. These Chlorine Tablets are white with a blue fleck and each tablet is 20g. It has a pH close to neutral (7) so that it will have little effect on the pH of the pool water. Product Application: Test your pool/spa water to establish what the existing chemical level is in your water. Add Chlorine tablet/s to either your skimmer basket or Chlorine Tablet Feeder, these are slow dissolving tablets and if added to the Skimmer basket one tablet will last 5/7 days approx. Re-adjust the pH to between 7.2-7.6 for optimal bather comfort. Never mix pool chemicals together and always test the water with a reliable tester before use. Directions Test your pool/spa water to establish what the existing chemical level is in your water. Add Chlorine tablet/s to either your skimmer basket or Chlorine Tablet Feeder, these are slow dissolving tablets and if added to the Skimmer basket one tablet will last 5/7 days approx. Re-adjust the pH to between 7.2-7.6 for optimal bather comfort. P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Safety Warning Never mix pool chemicals together and always test the water with a reliable tester before use. See more

Review: Perfect for my hot tub - I use these in my hot tubs dispenser and find we only have to top them up 2-3 times a week now and they don't overwhelm you with a chlorine smell as some others do. It's convenient being able to buy them in a big tub so they last longer too.
Review: clean well - used these many times. They are great for the hot tub and easy to dispense via the "mushroom"

## Features

- 20g Small Multifunctional Chlorine Tablets: Compact and efficient chlorine tablets designed for convenient pool and spa maintenance
- Dissolves Quickly: Fast-dissolving formula ensures rapid distribution of chemicals throughout your water system
- 4 in 1 Tablet Combination: Contains chlorine, algaecide, and stabiliser for comprehensive water treatment and clean water maintenance
- Efficacy Against Sunlight: Contains Cyanuric Acid for automatic stabilisation to prevent chlorine destruction by UV rays
- Suitable for Multiple Applications: Compatible with hot tubs, swimming pools, and spas for versatile water treatment needs
- Near Neutral pH Level: pH close to 7 minimizes impact on pool water balance and ensures optimal bather comfort

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BW17ZKHX |
| Best Sellers Rank | 5,671 in Garden ( See Top 100 in Garden ) 43 in Chlorine |
| Customer Reviews | 4.8 4.8 out of 5 stars (120) |
| Date First Available | 16 Feb. 2023 |
| Item model number | 20 |
| Manufacturer | 20g Small Multifunctional Chlorine Tablets |
| Part number | 20g Multifunctional |
| Power source type | air_powered |
| Product Dimensions | 25 x 25 x 30 cm; 5 kg |

## Product Details

- **Brand:** bluewater POOL & SPA CHEMICALS
- **Global Trade Identification Number:** 15065015499005
- **Item form:** Tablet
- **Item weight:** 5 Kilograms
- **Product benefits:** Kills Bacteria

## Images

![5 kg Multifunctional Chlorine Tablets 20g, Small 4-in-1 Tablets Suitable for Hot Tubs, Swimming Pools and Spas - Image 1](https://m.media-amazon.com/images/I/61O8uZvytCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for my hot tub
*by L***E on 19 November 2025*

I use these in my hot tubs dispenser and find we only have to top them up 2-3 times a week now and they don't overwhelm you with a chlorine smell as some others do. It's convenient being able to buy them in a big tub so they last longer too.

### ⭐⭐⭐⭐⭐ clean well
*by G***H on 9 December 2025*

used these many times. They are great for the hot tub and easy to dispense via the "mushroom"

### ⭐⭐⭐⭐⭐ Good stuff
*by M***L on 27 September 2025*

Great product and better value than a 1kg tub

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-04*