---
product_id: 309783944
title: "Calcium Hardness Increaser (1 Gallon) Calcium Chloride Powder for Pools & Hot Tubs | For de-icing, dust control, and concrete acceleration"
brand: "quality producer direct"
price: "446.52 DT"
currency: TND
in_stock: true
category: "Quality Producer Direct"
url: https://www.desertcart.tn/products/309783944-calcium-hardness-increaser-1-gallon-calcium-chloride-powder-for-pools
store_origin: TN
region: Tunisia
---

# Lab-tested & certified quality 3.48 kg pure Calcium Chloride powder Proudly made in the USA Calcium Hardness Increaser (1 Gallon) Calcium Chloride Powder for Pools & Hot Tubs | For de-icing, dust control, and concrete acceleration

**Brand:** quality producer direct
**Price:** 446.52 DT
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your pool game—because your oasis deserves the best!

## Quick Answers

- **What is this?** Calcium Hardness Increaser (1 Gallon) Calcium Chloride Powder for Pools & Hot Tubs | For de-icing, dust control, and concrete acceleration by quality producer direct
- **How much does it cost?** 446.52 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/309783944-calcium-hardness-increaser-1-gallon-calcium-chloride-powder-for-pools)

## Best For

- quality producer direct enthusiasts

## Why This Product

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

## Key Features

- • **Made in the USA:** Support local manufacturing with a product crafted under strict quality standards
- • **Corrosion Defense:** Protect your investment by preventing corrosion in pools and hot tubs with balanced water hardness
- • **Generous 1-Gallon Supply:** Ample quantity for multiple treatments—great value for serious pool care enthusiasts
- • **Trusted Quality Assurance:** Lab-tested and certified formula ensures consistent, reliable performance every time
- • **Boost Your Pool’s Health:** Precisely increase calcium hardness by 2 ppm per 2 oz per 1,000 gallons for crystal-clear water

## Overview

This 1-gallon container of Calcium Chloride Anhydrous powder is a lab-tested, USA-made solution designed to increase the calcium hardness of pool and hot tub water. By adding 2 oz per 1,000 gallons, it raises hardness by 2 ppm, effectively preventing corrosion and maintaining water balance for a longer-lasting, crystal-clear swimming experience.

## Description

Calcium Chloride Anhydrous for Pool & Hot Tubs. Use hand and eye protection when handling. Place water in a mixing bucket, then add in Calcium Chloride. Do NOT put Calcium Chloride in the bucket first. To increase Calcium Hardness by 2 ppm, add 2 oz of Calcium Chloride for every 1,000 gallons. See label for instructions and warnings.

## Features

- Calcium Chloride Anhydrous Powder Increases Total Hardness of Pool Water
- Used to Prevent Corrosion in Pools & Hot Tubs
- Great Value: 1 Gallon of Calcium Chloride Powder
- Lab-Tested & Certified
- Manufactured in the USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08XC7VTB2 |
| Best Sellers Rank | #124,307 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #203 in Swimming Pool Balancers |
| Brand Name | Quality Producer Direct |
| Customer Reviews | 4.5 4.5 out of 5 stars (220) |
| Item Form | Powder |
| Item Weight | 3.48 Kilograms |
| Manufacturer | Quality Producer Direct |
| Manufacturer Part Number | QPD(1Ga)CalciumHardnessInc |
| Model Number | QPD(1Ga)CalciumHardnessInc |
| Product Benefits | Prevents corrosion in pools and hot tubs by increasing the total hardness of pool water |
| UPC | 195507003873 |
| Unit Count | 112.0 Ounce |

## Product Details

- **Brand:** Quality Producer Direct
- **Item Form:** Powder
- **Item Weight:** 3.48 Kilograms
- **Product Benefits:** Prevents corrosion in pools and hot tubs by increasing the total hardness of pool water
- **UPC:** 195507003873

## Images

![Calcium Hardness Increaser (1 Gallon) Calcium Chloride Powder for Pools & Hot Tubs | For de-icing, dust control, and concrete acceleration - Image 1](https://m.media-amazon.com/images/I/61WyIX+qxhL.jpg)

## Available Options

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

## Frequently Bought Together

- Quality Producer Direct Calcium Hardness Increaser (1 Gallon) Calcium Chloride Powder for Pools & Hot Tubs
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**Shop now:** [https://www.desertcart.tn/products/309783944-calcium-hardness-increaser-1-gallon-calcium-chloride-powder-for-pools](https://www.desertcart.tn/products/309783944-calcium-hardness-increaser-1-gallon-calcium-chloride-powder-for-pools)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-25*