---
product_id: 68378023
title: "20kg Hardness Increaser (Calcium Chloride)"
brand: "pool chemical products"
price: "76 kr"
currency: DKK
in_stock: false
url: https://www.desertcart.dk/products/68378023-20kg-hardness-increaser-calcium-chloride
store_origin: DK
region: Denmark
---

# easy dosing & testing fast-acting formula 20kg bulk power 20kg Hardness Increaser (Calcium Chloride)

**Brand:** pool chemical products
**Price:** 76 kr
**Availability:** ❌ Out of Stock

## Summary

> 💧 Elevate your pool’s game with fast, flawless hardness control!

## Quick Answers

- **What is this?** 20kg Hardness Increaser (Calcium Chloride) by pool chemical products
- **How much does it cost?** 76 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/68378023-20kg-hardness-increaser-calcium-chloride)

## Best For

- pool chemical products enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Use:** Perfect for pools, hot tubs, and spas—keep your water crystal clear and damage-free.
- • **Bulk 20kg Power:** Maximize pool care with a substantial 20kg supply—less hassle, more impact.
- • **Rapid Hardness Boost:** Quickly elevate calcium levels to protect your pool’s plumbing and surfaces from corrosion.
- • **Trusted Brand Quality:** From Pool Chemical Products, ensuring reliable and consistent water hardness control.
- • **Precision Dosing & Testing:** User-friendly formula designed for effortless measurement and monitoring.

## Overview

This 20kg Calcium Chloride hardness increaser from Pool Chemical Products is a fast-acting, easy-to-dose solution designed to raise calcium hardness in pools, hot tubs, and spas. Prevent corrosion, staining, and surface etching by maintaining optimal water balance with this trusted, bulk-sized formula.

## Description

Our hardness increaser is convenient and easy to use. It will quickly increase the calcium hardness in your pool, hot tub or spa water. Low hardness can corrode your pool, hot tub or spa plumbing and heaters as well as staining or etching the surface.

## Features

- Easy To Dose
- Easy to Test
- Hardness Increaser
- Calcium Chloride

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B019CPDDGG |
| Brand | Pool Chemical Products |
| Colour | Pink |
| Date First Available | 14 Dec. 2015 |
| Item Weight | 20 kg |

## Images

![20kg Hardness Increaser (Calcium Chloride) - Image 1](https://m.media-amazon.com/images/I/818Lgmo5N7L.jpg)

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**Shop now:** [https://www.desertcart.dk/products/68378023-20kg-hardness-increaser-calcium-chloride](https://www.desertcart.dk/products/68378023-20kg-hardness-increaser-calcium-chloride)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-04-24*