---
product_id: 1614851
title: "Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound"
brand: "in the swim"
price: "€ 263.25"
currency: EUR
in_stock: true
category: "In The Swim"
url: https://www.desertcart.hr/products/1614851-pool-shock-68-cal-hypo-granular-sanitizer-12-x-1
store_origin: HR
region: Croatia
---

# 68% Cal-Hypo fast-acting shock 65% available chlorine for crystal-clear water Powerful defense vs bacteria & algae Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound

**Brand:** in the swim
**Price:** € 263.25
**Availability:** ✅ In Stock

## Summary

> 🛁 Shock your pool into perfection — because clear water is the new status symbol!

## Quick Answers

- **What is this?** Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound by in the swim
- **How much does it cost?** € 263.25 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/1614851-pool-shock-68-cal-hypo-granular-sanitizer-12-x-1)

## 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

- • **Trusted & Top-Ranked:** Join 16,000+ happy users with a 4.6-star rating and #5 rank in pool chlorine.
- • **Rapid Algae Annihilation:** Strike fast with 68% calcium hypochlorite for unbeatable pool clarity.
- • **Safe & Simple Application:** Pre-dissolve granules to protect liners and ensure even sanitization.
- • **Precision Chlorine Control:** Maintain ideal 5-10 ppm chlorine levels with easy 1 lb per 10,000 gallons dosing.
- • **Universal Pool Compatibility:** Perfect for both in-ground and above-ground pools, spas, and hot tubs.

## Overview

In The Swim Pool Shock delivers a potent 68% calcium hypochlorite formula with 65% available chlorine, providing fast-acting, powerful sanitization for both in-ground and above-ground pools. Designed to eliminate bacteria, algae, and microorganisms, it ensures crystal-clear water with easy dosing and safe application. Trusted by thousands, it’s a top-rated choice for maintaining pristine pool conditions.

## Description

desertcart.com : In The Swim Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound | Powerful Pool Shock for In-Ground and Above Ground Pools - Defends Against Bacteria, Algae, and Microorganisms : Pool Shock Packets : Patio, Lawn & Garden

## 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 | B002WKQ3IE |
| Best Sellers Rank | #115 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #5 in Swimming Pool Chlorine |
| Brand Name | In The Swim |
| Customer Reviews | 4.6 4.6 out of 5 stars (16,165) |
| Item Form | Granular |
| Item Weight | 13.1 Pounds |
| Manufacturer | In The Swim Discount Pool Supplies |
| Manufacturer Part Number | 25235 12X1 |
| Model Number | 25235 12X1 |
| Number of Items | 12 |
| Product Benefits | Kills Bacteria, Maintains Clean Sanitized Water |
| Unit Count | 192 Ounce |

## Product Details

- **Brand:** In The Swim
- **Item Form:** Granular
- **Item Weight:** 13.1 Pounds
- **Number of Packs:** 12
- **Product Benefits:** Kills Bacteria, Maintains Clean Sanitized Water

## Images

![Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound - Image 1](https://m.media-amazon.com/images/I/71F49S1omNL.jpg)

## Available Options

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

## Frequently Bought Together

- In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 12 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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**Shop now:** [https://www.desertcart.hr/products/1614851-pool-shock-68-cal-hypo-granular-sanitizer-12-x-1](https://www.desertcart.hr/products/1614851-pool-shock-68-cal-hypo-granular-sanitizer-12-x-1)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-25*