---
product_id: 550631445
title: "Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels"
brand: "hth"
price: "$U1297"
currency: UYU
in_stock: true
reviews_count: 8
category: "Hth"
url: https://www.desertcart.uy/products/550631445-pool-shock-cal-hypo-formula-13-3oz-pack-of-2
store_origin: UY
region: Uruguay
---

# Fast-acting shock treatment Dissolves quickly for instant clarity Prevents bacteria & algae growth Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels

**Brand:** hth
**Price:** $U1297
**Availability:** ✅ In Stock

## Summary

> 💦 Shock your pool, stun your guests — crystal clarity guaranteed!

## Quick Answers

- **What is this?** Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels by hth
- **How much does it cost?** $U1297 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/550631445-pool-shock-cal-hypo-formula-13-3oz-pack-of-2)

## Best For

- hth enthusiasts

## Why This Product

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

## Key Features

- • **Test, Treat, Triumph:** Pair with HTH 6-Way Test Strips for precise water balance and unbeatable pool care
- • **Shock Your Pool to Sparkle:** Fast-acting Cal Hypo formula clears 90% of water issues within 24 hours
- • **Universal Pool Compatibility:** Safe for vinyl-lined, saltwater, and all pool types—one solution for every pool
- • **Effortless Weekly Maintenance:** Use weekly to keep your pool crystal clear and bacteria-free with minimal hassle
- • **No Chlorine Lock, No Compromise:** Sanitizes without cyanuric acid buildup for optimal chlorine performance

## Overview

HTH Pool Shock Cal Hypo Formula is a fast-dissolving, multi-use pool treatment that sanitizes, clarifies, and prevents bacteria and algae. Designed for all pool types, it boosts chlorine levels without causing chlorine lock or overstabilization, delivering visible sparkle within 24 hours. Ideal for weekly use and optimized when combined with HTH 6-Way Test Strips for perfect water balance.

## Description

desertcart.com : HTH Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels : Patio, Lawn & Garden

Review: Great price, Great product - Great deal on these as they still sell for 8 dollars each where we live Fast acting and clears a pool up in a few hours. I won't be without this brand as long as I own a pool
Review: Price a works - At what are these from my pool?It did keep my pool clean.It was easy to use it to dissolve quickly and keep everything under control

## Features

- The information below is per-pack only
- BENEFIT: Shock treat, sanitize, clarify, and help prevent bacteria and algae in your swimming pool water, all with this convenient, easy-to-use product
- FEATURES: Multi-use pool shock with Cal Hypo; Use weekly to solve 90% of pool water problems within 24 hours; Fast-acting and fast-dissolving
- VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
- COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems
- YOU’RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CF2V7ZBL |
| Brand | HTH |
| Customer Reviews | 4.8 4.8 out of 5 stars (493) |
| Department | Unisex-Adult |
| Item Form | Powder |
| Item Weight | 1.66 pounds |
| Item model number | 52031 |
| Manufacturer | Innovative Water Care |
| Number of Items | 2 |
| Product Benefits | pevents bacteria and algae |
| Product Dimensions | 1 x 4.5 x 11 inches |
| Unit Count | 26.6 Ounce |

## Product Details

- **Brand:** HTH
- **Item Form:** Powder
- **Item Weight:** 26.6 Ounces
- **Number of Items:** 2
- **Product Benefits:** pevents bacteria and algae

## Images

![Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels - Image 1](https://m.media-amazon.com/images/I/81F8YlXmmYL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great price, Great product
*by M***N on October 21, 2025*

Great deal on these as they still sell for 8 dollars each where we live Fast acting and clears a pool up in a few hours. I won't be without this brand as long as I own a pool

### ⭐⭐⭐⭐⭐ Price a works
*by A***R on December 14, 2025*

At what are these from my pool?It did keep my pool clean.It was easy to use it to dissolve quickly and keep everything under control

### ⭐⭐⭐⭐⭐ Excellent Value and Top notch quality
*by A***A on August 21, 2025*

Does as it says, great quality and the price point can't be beat. Cleared up the pool in a few hours and doesn't trash the vinyl liner. Dissolves quick and doesn't leave a mess.

## Frequently Bought Together

- HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz (Pack of 2)
- HTH 67084 Pool Care Algae Guard Advanced, All Algae Eliminator for Swimming Pools - Fast-Acting, Destroys & Prevents Green, Black & Mustard Algae, Keeps Pool Water Crystal Clear, 32 fl oz

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**Shop now:** [https://www.desertcart.uy/products/550631445-pool-shock-cal-hypo-formula-13-3oz-pack-of-2](https://www.desertcart.uy/products/550631445-pool-shock-cal-hypo-formula-13-3oz-pack-of-2)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-03-09*