---
product_id: 54795635
title: "Earth Science Laboratories Pristine Extra - 4 Pound (Chlorine Shock) -W#436BRE T44/35PDS521579"
brand: "pristine blue"
price: "227 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/54795635-earth-science-laboratories-pristine-extra-4-pound-chlorine-shock-w
store_origin: PL
region: Poland
---

# Earth Science Laboratories Pristine Extra - 4 Pound (Chlorine Shock) -W#436BRE T44/35PDS521579

**Brand:** pristine blue
**Price:** 227 zł
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Earth Science Laboratories Pristine Extra - 4 Pound (Chlorine Shock) -W#436BRE T44/35PDS521579 by pristine blue
- **How much does it cost?** 227 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/54795635-earth-science-laboratories-pristine-extra-4-pound-chlorine-shock-w)

## 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) -W#436BRE T44/35PDS521579 - Image 1](https://images-na.ssl-images-amazon.com/images/I/41KL3lYN0xL.jpg)
![Earth Science Laboratories Pristine Extra - 4 Pound (Chlorine Shock) -W#436BRE T44/35PDS521579 - Image 2](https://images-na.ssl-images-amazon.com/images/I/51yYnIN0YOL.jpg)

---

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**Shop now:** [https://www.desertcart.pl/products/54795635-earth-science-laboratories-pristine-extra-4-pound-chlorine-shock-w](https://www.desertcart.pl/products/54795635-earth-science-laboratories-pristine-extra-4-pound-chlorine-shock-w)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-14*