---
product_id: 377810181
title: "Calcium Hardness Increaser (1 Gallon) Calcium Chloride Powder for Pools & Hot Tubs"
brand: "quality producer direct"
price: "819.77 DT"
currency: TND
in_stock: true
category: "Quality Producer Direct"
url: https://www.desertcart.tn/products/377810181-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

**Brand:** quality producer direct
**Price:** 819.77 DT
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your pool’s health with precision calcium power!

## Quick Answers

- **What is this?** Calcium Hardness Increaser (1 Gallon) Calcium Chloride Powder for Pools & Hot Tubs by quality producer direct
- **How much does it cost?** 819.77 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/377810181-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

- • **Bulk Value Pack:** Generous 1-gallon supply ensures long-lasting maintenance without frequent repurchases.
- • **Made in the USA:** Crafted domestically to meet high manufacturing standards and support local industry.
- • **Corrosion Defense:** Protect your pool and hot tub surfaces by preventing metal corrosion with optimal calcium levels.
- • **Precision Hardness Boost:** Add 2 oz per 1,000 gallons to raise calcium hardness by 2 ppm—perfectly balanced water chemistry.
- • **Trusted Quality Assurance:** Lab-tested and certified for consistent purity and performance you can rely on.

## Overview

This 1-gallon container of high-purity calcium chloride powder is designed to increase the total hardness of pool and hot tub water, preventing corrosion and maintaining balanced water chemistry. Lab-tested and certified, it offers a reliable, cost-effective solution made in the USA for professional-grade water care.

## 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 |
| Brand Name | Quality Producer Direct |
| 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 | 3785.41 Milliliters |

## 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 - Image 1](https://m.media-amazon.com/images/I/61WyIX+qxhL.jpg)

## 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/377810181-calcium-hardness-increaser-1-gallon-calcium-chloride-powder-for-pools](https://www.desertcart.tn/products/377810181-calcium-hardness-increaser-1-gallon-calcium-chloride-powder-for-pools)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-29*