---
product_id: 657516162
title: "DryTec 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack"
brand: "drytec"
price: "1812 zł"
currency: PLN
in_stock: false
reviews_count: 5
category: "Dry Tec"
url: https://www.desertcart.pl/products/657516162-drytec-1-1901-12-calcium-hypochlorite-pool-shock-1-pound
store_origin: PL
region: Poland
---

# 1 bag treats 10,000 gallons 68% Calcium Hypochlorite purity 12-pack, 1 lb each DryTec 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack

**Brand:** drytec
**Price:** 1812 zł
**Availability:** ❌ Out of Stock

## Summary

> 💧 Shock your pool, not your schedule — crystal clarity made effortless!

## Quick Answers

- **What is this?** DryTec 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack by drytec
- **How much does it cost?** 1812 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/657516162-drytec-1-1901-12-calcium-hypochlorite-pool-shock-1-pound)

## Best For

- drytec enthusiasts

## Why This Product

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

## Key Features

- • **Powerful Purity:** 68% active calcium hypochlorite delivers rapid, effective pool shock treatment.
- • **Massive Coverage:** One bag treats up to 10,000 gallons, ensuring crystal-clear water with minimal effort.
- • **Consistent Quality:** 12 convenient 1-pound bags for easy, measured dosing all season long.
- • **Routine & Rescue Ready:** Perfect for weekly shock treatments or emergency algae and odor control—never miss a swim day.
- • **Balanced Water Chemistry:** Optimized to maintain pH 7.2-7.6 and alkalinity 60-120 for swimmer comfort and pool longevity.

## Overview

DryTec 1-1901-12 Calcium Hypochlorite Pool Shock is a high-purity (68%) chlorine treatment designed for professional-grade pool maintenance. Each 1-pound bag treats 10,000 gallons of water, delivering 5-10 ppm available chlorine to eliminate contaminants and maintain ideal pH and alkalinity levels. Sold in a 12-pack, it supports routine weekly shock treatments and rapid response to algae or odor issues, ensuring your pool stays sparkling clean and swim-ready all season.

## Description

Product Description Use entire contents of bag when opened. If any granules settle to the bottom of the pool use brush to disperse. Add the recommended dosage of this product during evening hours while the filter pump is running. When adding this product to your pool, broadcast the product evenly over a wide area in the deepest part of the pool. If any granules settle to the bottom of the pool use brush to disperse. Water Balance: For best product performance, swimmer comfort, and crystal clear water: Maintain pH in the range of 7.2 to 7.6. Maintain total alkalinity in the range of 60 to 120. Maintain calcium hardness above 200 ppm. Use a reliable test kit that measures all these ranges. Use Pool Care Products to make adjustments. Follow label directions for each product. Do not enter pool until the free available chlorine residual is 1- 4 ppm for each of the below noted water treatment applications. OPENING YOUR POOL: For best results, see the Water Balance section above before treatment. Always adjust and maintain pH in the 7.2 to 7.6 range. Follow "SHOCK TREATMENT / SUPERCHLORINATION" directions on this package. Allow 30 minutes for product to disperse. Test free available chlorine residual with a pool test kit. Repeat treatment as needed. ROUTINE CHLORINATION: For best results, see Water Balance section above before treatment. Throughout the pool season, adjust and maintain pH at 7.2-7.6. Check available chlorine with a suitable test kit.SHOCK TREATMENT / SUPERCHLORINATION: Every 7 days, or as necessary to prevent pool problems, shock treat /superchlorinate the pool by adding one bag of this product per 10,000 gallons of water to provide 5 to 10 ppm available chlorine. Additional shock treatments may be required to correct problems which are caused by visible algae, high bathing loads, heavy wind and rainstorms. Additional shock treatments may also be required to correct problems such as unpleasant odors and eye irritation. Check the available chlorine with a suitable test kit. Directions 1. Add one bag of the product per 10,000 gallons of water. 2. Adjust and maintain pH at 7.2-7.6 and total alkalinity in the range of 60 to 120. 3. Pre-dilute shock into a bucket of warm water or continuously brush the granules around until fully dissolved to prevent liner bleaching. 4. Evenly distribute the product around the pool.

Review: Great value. Works too
Review: Absolutely love this product. Helps to keep our pool sparkling clean! Easy to use and the quality is unmatched.

## Features

- Causes severe skin burns and eye damage.
- Harmful if swallowed.
- May cause respiratory irritation.
- May intensify fire; oxidiser.
- Toxic if inhaled.
- Use biocides safely. Always read the label and product information before use.
- One bag of this product per 10,000 gallons of water
- Adjust and maintain pH at 7.2-7.6
- Maintain total alkalinity in the range of 60 to 120
- One bag of this product per 10,000 gallons of water provides 5 to 10 ppm available chlorine
- 68% Calcium Hypochlorite

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00U2NORTU |
| Best Sellers Rank | 479,955 in Garden ( See Top 100 in Garden ) 1,534 in Chlorine |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,374) |
| Date First Available | 25 Sept. 2015 |
| Item display height | 12 inches |
| Item display length | 12 inches |
| Item display weight | 6.35 kg |
| Item display width | 12 inches |
| Item model number | 1-1901--12 |
| Part number | 1-1901--12 |
| Product Dimensions | 30.48 x 30.48 x 17.78 cm; 5.44 kg |

## Product Details

- **Brand:** DryTec
- **Item form:** Granular
- **Item weight:** 12 Pounds
- **Product benefits:** Controls Bacteria,Contaminants,Prevents Algae
- **UPC:** 034261119010

## Images

![DryTec 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack - Image 1](https://m.media-amazon.com/images/I/414ODXg8IkL.jpg)
![DryTec 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack - Image 2](https://m.media-amazon.com/images/I/41rUEBJvhJL.jpg)
![DryTec 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack - Image 3](https://m.media-amazon.com/images/I/51nrjeeAMnL.jpg)
![DryTec 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack - Image 4](https://m.media-amazon.com/images/I/61aQGxVDmwL.jpg)
![DryTec 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack - Image 5](https://m.media-amazon.com/images/I/71NKHt2yLNL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by H***N on 9 January 2026*

Great value. Works too

### ⭐⭐⭐⭐⭐ Review
*by B***D on 13 August 2025*

Absolutely love this product. Helps to keep our pool sparkling clean! Easy to use and the quality is unmatched.

### ⭐⭐⭐⭐⭐ Review
*by L***G on 28 August 2025*

My go-to for keeping the pool crystal clear. Doesn’t raise CYA and packs a solid dose of calcium hypochlorite for an effective shock every time.

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**Shop now:** [https://www.desertcart.pl/products/657516162-drytec-1-1901-12-calcium-hypochlorite-pool-shock-1-pound](https://www.desertcart.pl/products/657516162-drytec-1-1901-12-calcium-hypochlorite-pool-shock-1-pound)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-31*