---
product_id: 3575836
title: "In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 50 Pounds"
brand: "in the swim"
price: "€ 1127.40"
currency: EUR
in_stock: true
reviews_count: 8
category: "In The Swim"
url: https://www.desertcart.hr/products/3575836-in-the-swim-pool-shock-68-cal-hypo-granular-sanitizer
store_origin: HR
region: Croatia
---

# 68% Cal-Hypo fast-acting power Crystal-clear water clarity Defends vs bacteria & algae In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 50 Pounds

**Brand:** in the swim
**Price:** € 1127.40
**Availability:** ✅ In Stock

## Summary

> 🛁 Shock your pool, not your schedule — crystal clear water made effortless!

## Quick Answers

- **What is this?** In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 50 Pounds by in the swim
- **How much does it cost?** € 1127.40 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/3575836-in-the-swim-pool-shock-68-cal-hypo-granular-sanitizer)

## 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

- • **Universal Pool Care:** Perfectly formulated for above ground, in-ground pools, spas, and hot tubs—versatility that fits your lifestyle.
- • **Safe & Easy Application:** Granular formula dissolves quickly; pre-dissolve or dilute to protect liners and ensure even distribution.
- • **Shock Your Pool Into Crystal Clarity:** 68% high-purity calcium hypochlorite delivers rapid algae and bacteria elimination for sparkling water.
- • **Precision Dosage for Peak Performance:** Use 1 lb per 10,000 gallons weekly to maintain optimal 5-10 ppm chlorine levels without guesswork.
- • **Trusted by Thousands, Rated 4.7 Stars:** Join over 15,000 satisfied pool pros who rely on In The Swim for consistent, long-lasting sanitation.

## Overview

In The Swim Pool Shock is a 68% calcium hypochlorite granular sanitizer designed for fast, effective elimination of bacteria, algae, and microorganisms. Suitable for all pool types, it maintains ideal chlorine levels with easy dosing and application, ensuring crystal-clear, safe swimming water. Trusted by thousands with a 4.7-star rating, this 50-pound pack offers professional-grade sanitation for your pool or spa.

## Description

desertcart.com : In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 50 Pounds : Patio, Lawn & Garden

Review: Very good product - I’ve always been happy with In The Swim pool products and this is no exception. This along with a stabilizer keeps my chlorine levels in check. Tablets are made strong enough so that there is minimal breakage. They last a long time without breaking down.
Review: Works/ value - Good product and good price

## 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 |
|---------------|-------|
| Best Sellers Rank | #322 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #10 in Swimming Pool Chlorine |
| Brand | In The Swim |
| Customer Reviews | 4.7 out of 5 stars 15,787 Reviews |
| Item Form | Granular |
| Item Weight | 50 Pounds |
| Product Benefits | Kills Bacteria, Maintains Clean Sanitized Water |
| UPC | 815100020717 |
| Unit Count | 800 Ounce |

## Product Details

- **Brand:** In The Swim
- **Item Form:** Granular
- **Item Weight:** 50 Pounds
- **Product Benefits:** Kills Bacteria, Maintains Clean Sanitized Water
- **UPC:** 815100020717

## Images

![In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 50 Pounds - Image 1](https://m.media-amazon.com/images/I/515nh-WCqOL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very good product
*by J***F on February 26, 2026*

I’ve always been happy with In The Swim pool products and this is no exception. This along with a stabilizer keeps my chlorine levels in check. Tablets are made strong enough so that there is minimal breakage. They last a long time without breaking down.

### ⭐⭐⭐⭐⭐ Works/ value
*by L***N on February 20, 2026*

Good product and good price

### ⭐⭐⭐⭐⭐ Consistent, effective, satisfied.
*by B***R on March 1, 2026*

OH BABY, worked as expected.

## Frequently Bought Together

- In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 50 Pounds
- In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 50 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/3575836-in-the-swim-pool-shock-68-cal-hypo-granular-sanitizer](https://www.desertcart.hr/products/3575836-in-the-swim-pool-shock-68-cal-hypo-granular-sanitizer)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-15*