---
product_id: 25909709
title: "Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 2 x 4 Pounds"
brand: "coral seas"
price: "€ 111.94"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/25909709-yellow-out-swimming-pool-chlorine-shock-enhancing-treatment-2-x
store_origin: HR
region: Croatia
---

# High chlorine boost Nighttime application Multi-purpose treatment Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 2 x 4 Pounds

**Brand:** coral seas
**Price:** € 111.94
**Availability:** ✅ In Stock

## Summary

> 🏊‍♂️ Dive into clarity with Yellow Out!

## Quick Answers

- **What is this?** Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 2 x 4 Pounds by coral seas
- **How much does it cost?** € 111.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/25909709-yellow-out-swimming-pool-chlorine-shock-enhancing-treatment-2-x)

## Best For

- coral seas enthusiasts

## Why This Product

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

## Key Features

- • **Algae Annihilator:** Eliminate green invaders with powerful shock treatment.
- • **Effortless Mixing:** Simply mix and pour for hassle-free application.
- • **Generous Coverage:** One bag treats up to 10,000 gallons—perfect for large pools!
- • **Crystal Clear Water:** Achieve pristine clarity with enhanced chlorine levels.
- • **Optimal Performance:** Best results when applied at night for maximum effectiveness.

## Overview

The Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment comes in two 4-pound bags, designed to elevate chlorine levels, water hardness, and pH for crystal clear swimming conditions. Its potent formula effectively combats algae and is best applied at night for optimal results.

## Description

Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 2 x 4 Pounds

## Features

- Make sure this fits by entering your model number.
- MULTI-PURPOSE: Raise the levels for chlorine, water hardness, and pH in your swimming pool giving you crystal clear water.
- INCREDIBLY STRONG: Due to its high percentage of chlorine, Super Shock is very effective and efficient for a quick chlorine boost.
- MIX BEFORE YOU FIX: Add this powder to a bucket of water before you add it to your pool. Add a 1 lb bag per 10,000 gallons of pool water.
- BEAT THE GREEN: Kill the algae in your swimming pool by adding 3 bags of shock per 10,000 gallons of pool water.
- WORKS BEST AT NIGHT: Maximize performance by adding this shock to your pool at night. Wait to swim 8 to 10 hours after application.

## Images

![Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 2 x 4 Pounds - Image 1](https://m.media-amazon.com/images/I/91ACL62XbGL.jpg)

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**Shop now:** [https://www.desertcart.hr/products/25909709-yellow-out-swimming-pool-chlorine-shock-enhancing-treatment-2-x](https://www.desertcart.hr/products/25909709-yellow-out-swimming-pool-chlorine-shock-enhancing-treatment-2-x)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-06*