---
product_id: 48080986
title: "Ultimate Chlorine Tablets 50 x 20g for Hot Tubs, Spa, Swimming Pools. 1kg FREE EXPRESS DELIVERY UK Mainland Only"
brand: "crystal clear"
price: "€ 39.14"
currency: EUR
in_stock: true
reviews_count: 8
category: "Crystal Clear"
url: https://www.desertcart.pt/products/48080986-ultimate-chlorine-tablets-50-x-20g-for-hot-tubs-spa
store_origin: PT
region: Portugal
---

# 3-5 day slow release 90% pure trichlor chlorine UV resistant formula Ultimate Chlorine Tablets 50 x 20g for Hot Tubs, Spa, Swimming Pools. 1kg FREE EXPRESS DELIVERY UK Mainland Only

**Brand:** crystal clear
**Price:** € 39.14
**Availability:** ✅ In Stock

## Summary

> 💦 Keep your water flawless, your vibe flawless.

## Quick Answers

- **What is this?** Ultimate Chlorine Tablets 50 x 20g for Hot Tubs, Spa, Swimming Pools. 1kg FREE EXPRESS DELIVERY UK Mainland Only by crystal clear
- **How much does it cost?** € 39.14 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/48080986-ultimate-chlorine-tablets-50-x-20g-for-hot-tubs-spa)

## Best For

- crystal clear enthusiasts

## Why This Product

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

## Key Features

- • **Powerful Purification:** 90% pure trichlor chlorine kills bacteria and viruses fast, ensuring safe, sparkling water every time.
- • **Sunproof Sanitization:** UV resistant formula prevents chlorine degradation, keeping your spa or pool perfectly balanced even under direct sunlight.
- • **Universal Compatibility:** Works seamlessly with floating dispensers, skimmers, and feeders for all hot tubs, pools, and spas.
- • **Effortless Water Perfection:** Slow-dissolving tablets maintain crystal-clear water for up to 5 days without constant monitoring.
- • **Bulk Value with Speedy Delivery:** Generous 1kg pack with free express UK mainland delivery—never run out of clean water essentials.

## Overview

CRYSTAL CLEAR Ultimate Chlorine Tablets deliver premium 90% trichlor chlorine in slow-release, UV-resistant tablets that sanitize and stabilize water for 3-5 days. Ideal for hot tubs, spas, and pools, these easy-to-use tablets ensure crystal-clear, bacteria-free water with minimal effort, backed by a 1kg bulk pack and free express delivery across the UK mainland.

## Description

Great prices on your favourite Gardening brands, and free delivery on eligible orders.

Review: Quality product - Great product, a lot of tablets provided compared to other big brand companies, the product delivers on what it promises clearing up the water keeping it look fresh and clean. The tablets start working after couples outs of submerging so it’s quick to work. Would recommend.
Review: Good value for money - Excellent. Does the job at the right price.

## Features

- Causes serious eye irritation.
- Harmful if swallowed.
- May cause respiratory irritation.
- May intensify fire; oxidiser.
- Very toxic to aquatic life with long lasting effects.
- PREMIUM CHLORINE TABLETS: Our Crystal Clear 90% trichlor ultimate chlorine tablets offer a highly effective and simple disinfection solution to sanitise and stabilise your water whilst killing off viruses and bacteria to ensure safe bathing.
- CRYSTAL CLEAR CLARITY: Our unrivalled market leading quality tablets offer guaranteed purification with only highest grade chlorine which not only disinfects, but also will freshen the water to make it sparkle back to life.
- EASY TO USE: Our easy to use hot-tub tabs can be used with floating dispensers, floating skimmers and chlorine feeders for a super simple chlorine water treatment solution for all types of Spa, Pool or Tub.
- SLOW RELEASE / UV RESISTANT: Our swimming pool chlorine tablets will dissolve slowly and evenly over 3-5 days giving a steady replacement of chlorine loss to maintain optimal safe bathing levels without hassle. With a special UV resistant formula also prevents chlorine loss caused by sunlight which helps towards easier water balancing and maintenance of chlorine levels.
- HOT TUB / POOL / SPA: Our versatile chlorine tablets are suitable for use in all water conditions and types of home leisure... from paddling pools all the way through to swimming pools Crystal Clear chlorine tablets have you covered.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B074L7FB2Y |
| Benefits | Kills Bacteria |
| Best Sellers Rank | 4,441 in Garden ( See Top 100 in Garden ) 32 in Chlorine |
| Brand | CRYSTAL CLEAR |
| Brand Name | CRYSTAL CLEAR |
| Customer Reviews | 4.6 out of 5 stars 1,467 Reviews |
| Item Form | Tablet |
| Item Weight | 1 Kilograms |
| Item form | Tablet |
| Item weight | 1 Kilograms |
| Manufacturer | Stellar Life LTD |
| Product benefits | Kills Bacteria |
| UPC | 660042213266 |
| Unit Count | 1000 gram |
| Unit count | 1000 gram |

## Product Details

- **Brand:** CRYSTAL CLEAR
- **Item weight:** 1 Kilograms
- **Item form:** Tablet
- **Product benefits:** Kills Bacteria
- **UPC:** 660042213266

## Images

![Ultimate Chlorine Tablets 50 x 20g for Hot Tubs, Spa, Swimming Pools. 1kg FREE EXPRESS DELIVERY UK Mainland Only - Image 1](https://m.media-amazon.com/images/I/717mTQXDprL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality product
*by M***I on 1 July 2025*

Great product, a lot of tablets provided compared to other big brand companies, the product delivers on what it promises clearing up the water keeping it look fresh and clean. The tablets start working after couples outs of submerging so it’s quick to work. Would recommend.

### ⭐⭐⭐⭐⭐ Good value for money
*by D***M on 30 October 2025*

Excellent. Does the job at the right price.

### ⭐⭐⭐⭐ Chlorine tablets
*by M***K on 9 July 2025*

Does the job to keep our pool clean

## Frequently Bought Together

- CRYSTAL CLEAR Ultimate Chlorine Tablets 50 x 20g for Hot Tubs, Spa, Swimming Pools. 1kg FREE EXPRESS DELIVERY UK Mainland Only
- Bestway Floating Chemical Dispenser for Hot Tubs and Swimming Pools, 5 inch Chlorine Tablet Holder, Multi-Functional Chlorine Tablet Dispenser
- Clearwater Hot Tub, Pool and Spa Test Strips x 50-3 in 1 - Measures Chlorine, PH and Total Alkalinity

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**Shop now:** [https://www.desertcart.pt/products/48080986-ultimate-chlorine-tablets-50-x-20g-for-hot-tubs-spa](https://www.desertcart.pt/products/48080986-ultimate-chlorine-tablets-50-x-20g-for-hot-tubs-spa)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-20*