---
product_id: 741604043
title: "Rx Clear Mega Shock | 73% Calcium Hypochlorite | Kills Algae in Swimming Pools | Works As Pool Sanitizer Clarifier and Algicide | One Pound Bags | 24 Pack"
brand: "rx clear"
price: "€ 116.71"
currency: EUR
in_stock: false
category: "Rx Clear"
url: https://www.desertcart.de/products/741604043-rx-clear-mega-shock-73-calcium-hypochlorite-kills-algae-in
store_origin: DE
region: Germany
---

# Nighttime application - Maximize shock efficiency 73% Calcium Hypochlorite - Ultra concentrated power 1 lb per 10,000 gal dosing - Precise pool maintenance Rx Clear Mega Shock | 73% Calcium Hypochlorite | Kills Algae in Swimming Pools | Works As Pool Sanitizer Clarifier and Algicide | One Pound Bags | 24 Pack

**Brand:** rx clear
**Price:** € 116.71
**Availability:** ❌ Out of Stock

## Summary

> 💧 Shock your pool into sparkling perfection — don’t let algae crash your summer!

## Quick Answers

- **What is this?** Rx Clear Mega Shock | 73% Calcium Hypochlorite | Kills Algae in Swimming Pools | Works As Pool Sanitizer Clarifier and Algicide | One Pound Bags | 24 Pack by rx clear
- **How much does it cost?** € 116.71 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/741604043-rx-clear-mega-shock-73-calcium-hypochlorite-kills-algae-in)

## Best For

- rx clear enthusiasts

## Why This Product

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

## Key Features

- • **Nighttime Ritual:** Add shock at night and swim worry-free after 8-10 hours
- • **Algae Annihilator:** Use 2 lbs per 14,000 gallons to beat stubborn green algae
- • **Chlorine Power Boost:** High 73% calcium hypochlorite delivers rapid chlorine spike
- • **Smart Dosing Formula:** 1 lb per 10,000 gallons ensures easy, effective treatment
- • **Triple-Action Pool Savior:** Sanitizes, clarifies, and kills algae for crystal-clear water

## Overview

Rx Clear Mega Shock is a premium 73% calcium hypochlorite granular pool treatment designed to sanitize, clarify, and eliminate algae efficiently. Ideal for above or in-ground pools, it delivers a powerful chlorine boost with easy-to-follow dosing instructions. Best applied at night, it ensures crystal-clear, algae-free water so you can enjoy your pool worry-free.

## Description

A powerful, highly dense chlorinated shock treatment that will remove the green algae from your swimming pool water by just following the recommended dosage of this product. Be sure to pre-dissolve this powdered substance in a bucket of water before dispensing it around the perimeter of your swimming pool while your pump is running. NOTE: Cannot be sold or shipped to Maine.

## Features

- MULTI-PURPOSE - This swimming pool shock works as a strong sanitizer, clarifier, and algicide for clear blue water.
- EXTRA POWER - Due to its high percentage of chlorine, Mega Shock is a very effective treatment for a quick chlorine boost. The Rx Clear Mega shock packets are chlorinating essentials.
- MIX BEFORE YOU FIX - Add this granular powder to a bucket of water before you begin dissolving it in your pool. Add a 1 lb bag per 10,000 gallons of pool water for smart maintenance.
- BEAT THE GREEN - Keep in your swimming pool algae free by adding 2 bags (2 lbs) of shock per 14,000 gallons of pool water. These granules work as an algaecide if your pool needs cleaning, or if you're opening for the season.
- WORKS BEST AT NIGHT - Maximize performance by adding this shock to your pool at night. Wait to swim 8 to 10 hours after you start the application. Trust Rx Clear to supply reliable chemicals, supplies, and equipment for your above or in ground pool, spa or hot tub.
- NOTE: Cannot be sold or shipped to Maine.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00O92NRG4 |
| Brand Name | Rx Clear |
| Customer Reviews | 4.7 4.7 out of 5 stars (474) |
| Item Form | Granular, Powder |
| Item Weight | 24 Pounds |
| Manufacturer | Rx Clear |
| Manufacturer Part Number | 20406324 |
| Model Number | 20406324 |
| Number of Items | 24 |
| Number of Packs | 24 |
| Package Size Name | 24 Pack |
| Product Benefits | Controls Algae |
| UPC | 617215599542 |
| Unit Count | 384.0 Grams |

## Product Details

- **Brand:** Rx Clear
- **Item form:** Granular, Powder
- **Item weight:** 24 Pounds
- **Product benefits:** Controls Algae
- **UPC:** 617215599542

## Images

![Rx Clear Mega Shock | 73% Calcium Hypochlorite | Kills Algae in Swimming Pools | Works As Pool Sanitizer Clarifier and Algicide | One Pound Bags | 24 Pack - Image 1](https://m.media-amazon.com/images/I/71slTp+xAyL.jpg)

## Available Options

This product comes in different **Color** options.

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**Shop now:** [https://www.desertcart.de/products/741604043-rx-clear-mega-shock-73-calcium-hypochlorite-kills-algae-in](https://www.desertcart.de/products/741604043-rx-clear-mega-shock-73-calcium-hypochlorite-kills-algae-in)

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-10-31*