---
product_id: 1614846
title: "Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound"
brand: "in the swim"
price: "€ 370.02"
currency: EUR
in_stock: true
reviews_count: 8
category: "In The Swim"
url: https://www.desertcart.it/products/1614846-pool-shock-68-cal-hypo-granular-sanitizer-for-crystal-clear
store_origin: IT
region: Italy
---

# 68% Cal-Hypo fast-acting power 65% available chlorine for crystal-clear water Defends against bacteria, algae & microorganisms Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound

**Brand:** in the swim
**Price:** € 370.02
**Availability:** ✅ In Stock

## Summary

> 💦 Shock Your Pool Into Crystal Clarity – Because Clear Water is the New Black!

## Quick Answers

- **What is this?** Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound by in the swim
- **How much does it cost?** € 370.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/1614846-pool-shock-68-cal-hypo-granular-sanitizer-for-crystal-clear)

## Best For

- in the swim enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Application:** Granular formula dissolves quickly—just spread and brush for hassle-free maintenance.
- • **Rapid Algae Annihilation:** Experience swift, powerful algae control that keeps your pool party-ready all season.
- • **Consistent Weekly Defense:** Use 1 lb per 10,000 gallons weekly to maintain optimal 5-10 ppm chlorine levels and keep your water pristine.
- • **High-Potency Chlorine Boost:** 65% available chlorine delivers unmatched sanitization for sparkling, safe water.
- • **Universal Pool Compatibility:** Perfectly formulated for above ground, in-ground pools, spas, and hot tubs—versatility that fits your lifestyle.

## Overview

In The Swim Pool Shock is a premium 68% calcium hypochlorite granular sanitizer designed for fast, effective elimination of bacteria, algae, and microorganisms. Suitable for all pool types, it delivers 65% available chlorine to maintain crystal-clear, safe water with easy weekly dosing. Trusted by thousands, it’s the go-to solution for professional-grade pool care.

## Description

Swimming Pool Start-Up Kits Visit the Store Swimming Pool Start-Up Kits Visit the Store Solar Covers Visit the Store Solar Covers Pool Opening Visit the Store Pool Opening Best Sellers Visit the Store Best Sellers Paint and Primer Visit the Store Paint and Primer Chlorine Visit the Store Chlorine Pool Shock Visit the Store Pool Shock Pool Noodles Visit the Store Pool Noodles Enzymes Visit the Store Enzymes Water Balancers Visit the Store Water Balancers Algaecides Visit the Store Algaecides Kits & Covers for Spa Visit the Store Kits & Covers for Spa Filter Cartridges Visit the Store Filter Cartridges Clarifiers and Stain Removers Visit the Store Clarifiers and Stain Removers Pool and Deck Paint Visit the Store Pool and Deck Paint Hard Wall Pools and Liners Visit the Store Hard Wall Pools and Liners

Review: Only ones i use - These are much cheaper and work better than in store ones. Gets the green out pretty quick.
Review: Great product - Product works great and it’s never back order.

## Features

- Fast-Acting Algae Control: Calcium Hypochlorite (Cal-Hypo) is an effective non-stabilized chlorine shock treatment, ideal for routine maintenance in your swimming pool
- Versatile Use: Suitable for above ground or in-ground swimming pools, spas, and hot tubs; Pre-dissolve or dilute to avoid bleaching the liner
- High Chlorine Content: 65% available chlorine, provides powerful sanitization for crystal-clear water
- Easy Application: Pre-dissolve or dilute to avoid bleaching swimming pool liners; Spread granules in the deepest part of the pool; Brush if needed
- Dosage: Use 1 Pound per 10,000 gallons weekly to maintain 5-10 ppm chlorine levels

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003BPNHV0 |
| Best Sellers Rank | #89 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2 in Swimming Pool Chlorine |
| Brand | In The Swim |
| Brand Name | In The Swim |
| Customer Reviews | 4.7 out of 5 stars 15,875 Reviews |
| Item Form | Granular |
| Item Weight | 27 Pounds |
| Manufacturer | Pool Solutions |
| Manufacturer Part Number | 25266 2X12X1 |
| Model Number | 25266 2X12X1 |
| Number of Items | 24 |
| Number of Packs | 24 |
| Product Benefits | Kills Bacteria, Maintains Clean Sanitized Water |
| UPC | 792439324788 |
| Unit Count | 384 Ounce |

## Product Details

- **Brand:** In The Swim
- **Item Form:** Granular
- **Item Weight:** 27 Pounds
- **Product Benefits:** Kills Bacteria, Maintains Clean Sanitized Water
- **UPC:** 792439324788

## Images

![Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound - Image 1](https://m.media-amazon.com/images/I/71QCCHZzgHL.jpg)
![Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound - Image 2](https://m.media-amazon.com/images/I/81-thiQX4eL.jpg)
![Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound - Image 3](https://m.media-amazon.com/images/I/91Kefe0gpKL.jpg)
![Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound - Image 4](https://m.media-amazon.com/images/I/81xplQpE3bL.jpg)
![Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound - Image 5](https://m.media-amazon.com/images/I/81nA1EXT84L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Only ones i use
*by C***Y on March 16, 2026*

These are much cheaper and work better than in store ones. Gets the green out pretty quick.

### ⭐⭐⭐⭐⭐ Great product
*by R***Y on April 20, 2026*

Product works great and it’s never back order.

### ⭐⭐⭐⭐⭐ Great price and product.
*by M***N on April 4, 2026*

Great price and product.

## Frequently Bought Together

- In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms- 24 X 1 Pound
- In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 10 Pounds
- Clorox® Pool&Spa™ Swimming Pool Algaecide and Clarifier, Prevents and Treats Pool Algae, Clears Water, 128 Fl Oz (Pack of 1)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-05-10*