---
product_id: 54795657
title: "Earth Science Laboratories Pristine Extra - 4 Pound (Chlorine Shock) ;PO#44T-KH/435 H25W3323662"
brand: "pristine blue"
price: "£30.52"
currency: GBP
in_stock: false
url: https://www.desertcart.co.uk/products/54795657-earth-science-laboratories-pristine-extra-4-pound-chlorine-shock-po
store_origin: GB
region: United Kingdom
---

# Earth Science Laboratories Pristine Extra - 4 Pound (Chlorine Shock) ;PO#44T-KH/435 H25W3323662

**Brand:** pristine blue
**Price:** £30.52
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Earth Science Laboratories Pristine Extra - 4 Pound (Chlorine Shock) ;PO#44T-KH/435 H25W3323662 by pristine blue
- **How much does it cost?** £30.52 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/54795657-earth-science-laboratories-pristine-extra-4-pound-chlorine-shock-po)

## Best For

- pristine blue enthusiasts

## Why This Product

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

## Description

PristineExtra contains 99% sodium-dichlor (granular chlorine). It is an effective shock treatment that can be used at start-up, during routine maintenance or for troubleshooting as needed. It is a primary sanitizer. Contains 4lbs of shock in one container.

## Images

![Earth Science Laboratories Pristine Extra - 4 Pound (Chlorine Shock) ;PO#44T-KH/435 H25W3323662 - Image 1](https://images-na.ssl-images-amazon.com/images/I/51kWbAhekoL.jpg)
![Earth Science Laboratories Pristine Extra - 4 Pound (Chlorine Shock) ;PO#44T-KH/435 H25W3323662 - Image 2](https://images-na.ssl-images-amazon.com/images/I/51yYnIN0YOL.jpg)

---

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**Shop now:** [https://www.desertcart.co.uk/products/54795657-earth-science-laboratories-pristine-extra-4-pound-chlorine-shock-po](https://www.desertcart.co.uk/products/54795657-earth-science-laboratories-pristine-extra-4-pound-chlorine-shock-po)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-17*