---
product_id: 67123858
title: "GLB 71442A Supersonic 73% Cal-Hypo Shock, 1 lb., Case of 24"
brand: "glb"
price: "€ 403.87"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/67123858-glb-71442a-supersonic-73-cal-hypo-shock-1-lb-case
store_origin: PT
region: Portugal
---

# Fast-dissolving granules Convenient 24-pack supply 70%+ available chlorine GLB 71442A Supersonic 73% Cal-Hypo Shock, 1 lb., Case of 24

**Brand:** glb
**Price:** € 403.87
**Availability:** ✅ In Stock

## Summary

> 💧 Shock your pool into perfection—fast, clean, and unstoppable!

## Quick Answers

- **What is this?** GLB 71442A Supersonic 73% Cal-Hypo Shock, 1 lb., Case of 24 by glb
- **How much does it cost?** € 403.87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/67123858-glb-71442a-supersonic-73-cal-hypo-shock-1-lb-case)

## Best For

- glb enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Convenience:** 24-pack supply keeps your pool maintenance hassle-free and budget-smart.
- • **Rapid Shock Action:** Super-fast dissolving formula powers pool clarity in no time.
- • **Residue-Free Clean:** Leaves your pool sparkling without any cyanuric acid buildup or residue.
- • **High Chlorine Potency:** 70%+ available chlorine ensures maximum sanitizing strength.
- • **Versatile Compatibility:** Perfectly safe for both chlorine and saltwater systems—no compromises.

## Overview

GLB 71442A Supersonic 73% Cal-Hypo Shock is a fast-dissolving granular pool sanitizer with over 70% available chlorine. Compatible with both chlorine and saltwater systems, it effectively sanitizes, clarifies, and prevents algae without leaving residue or stabilizers. Sold in a convenient 24-pack, it’s designed for easy, weekly maintenance of all pool surfaces.

## Description

GLB SuperSonic is a highly effective multi-purpose product that sanitizes, clarifies, prevents algae and shock treats your pool. It is convenient, easy to use and won't over stabilize your pool water. The fast-acting formula can be used on all pool surfaces, does not contain cyanuric acid and leaves no residue. Product Dosage 9 - 18 oz per 10,000 gallons of water every week.

## Features

- Fast-dissolving granular formula
- Minimum available chlorine: 70%
- Compatible with chlorine and salt water chlorine sanitizing systems
- 24 Pack

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XNKL9GC |
| Best Sellers Rank | #297,600 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #682 in Swimming Pool Chlorine |
| Brand | GLB |
| Brand Name | GLB |
| Customer Reviews | 4.7 out of 5 stars 56 Reviews |
| Item Form | Granular |
| Item Weight | 16 ounces |
| Manufacturer | GLB |
| Manufacturer Part Number | 71442A |
| Number of Items | 24 |
| Number of Packs | 24 |
| Product Benefits | Sanitizes,Prevents Algae |
| UPC | 785336714424 |
| Unit Count | 384 Ounce |

## Images

![GLB 71442A Supersonic 73% Cal-Hypo Shock, 1 lb., Case of 24 - Image 1](https://m.media-amazon.com/images/I/610HGlkZpzL.jpg)

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**Shop now:** [https://www.desertcart.pt/products/67123858-glb-71442a-supersonic-73-cal-hypo-shock-1-lb-case](https://www.desertcart.pt/products/67123858-glb-71442a-supersonic-73-cal-hypo-shock-1-lb-case)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-17*