---
product_id: 42394497
title: "Caribbean BlueKnock Out Swimming Pool Algae Killer Pool & Spa Chemicals"
brand: "caribbean blue"
price: "£49.88"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/42394497-caribbean-blueknock-out-swimming-pool-algae-killer-pool-and-spa
store_origin: GB
region: United Kingdom
---

# Unique copper blend Maintains water balance Chelated for stain prevention Caribbean BlueKnock Out Swimming Pool Algae Killer Pool & Spa Chemicals

**Brand:** caribbean blue
**Price:** £49.88
**Availability:** ✅ In Stock

## Summary

> 🏊‍♂️ Dive into Crystal Clear Waters!

## Quick Answers

- **What is this?** Caribbean BlueKnock Out Swimming Pool Algae Killer Pool & Spa Chemicals by caribbean blue
- **How much does it cost?** £49.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/42394497-caribbean-blueknock-out-swimming-pool-algae-killer-pool-and-spa)

## Best For

- caribbean blue enthusiasts

## Why This Product

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

## Key Features

- • **Water Balance Hero:** Rest easy knowing it won't disrupt your pool's water balance.
- • **Stain-Free Assurance:** Chelated to prevent any unsightly surface staining.
- • **Powerful Copper Formula:** Harness the strength of a unique copper blend for superior algae elimination.
- • **Compatible with Most Systems:** Versatile use with various sanitizing systems for hassle-free maintenance.
- • **Conquer Algae with Confidence:** Say goodbye to stubborn algae of any type!

## Overview

The Knock Out Swimming Pool Algae Killer by Caribbean Blue is a powerful solution designed to eliminate all types of stubborn algae. Its unique copper blend enhances algae-killing capabilities while being chelated to prevent surface staining. This product is compatible with most sanitizing systems and ensures that your pool's water balance remains unaffected.

## Description

Caribbean BlueKnock Out Swimming Pool Algae Killer Pool & Spa Chemicals

## Features

- Kills stubborn algae of any type
- Unique copper blend to strengthen algae killing power
- Chelated to prevent surface staining
- Does not affect water balance of pool water
- For use with most sanitizing systems

## Images

![Caribbean BlueKnock Out Swimming Pool Algae Killer Pool & Spa Chemicals - Image 1](https://images-na.ssl-images-amazon.com/images/I/41jCGzIDRAL.jpg)

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**Shop now:** [https://www.desertcart.co.uk/products/42394497-caribbean-blueknock-out-swimming-pool-algae-killer-pool-and-spa](https://www.desertcart.co.uk/products/42394497-caribbean-blueknock-out-swimming-pool-algae-killer-pool-and-spa)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-31*