---
product_id: 62988327
title: "10kg Hardness Increaser (Calcium Chloride)"
brand: "pool chemical products"
price: "€ 5.11"
currency: EUR
in_stock: false
reviews_count: 4
url: https://www.desertcart.es/products/62988327-10kg-hardness-increaser-calcium-chloride
store_origin: ES
region: Spain
---

# Water soluble Easy to test 10kg weight 10kg Hardness Increaser (Calcium Chloride)

**Brand:** pool chemical products
**Price:** € 5.11
**Availability:** ❌ Out of Stock

## Summary

> 💧 Make a Splash with Quality Water!

## Quick Answers

- **What is this?** 10kg Hardness Increaser (Calcium Chloride) by pool chemical products
- **How much does it cost?** € 5.11 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/62988327-10kg-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

- • **Instant Results:** Quickly test and see the difference.
- • **Eco-Friendly Solution:** Safe for the environment while enhancing your water.
- • **Versatile Application:** Perfect for pools, aquariums, and more.
- • **Elevate Your Water Quality:** Transform your water hardness effortlessly!
- • **Precision Dosing Made Simple:** No more guesswork with easy-to-dose formula.

## Overview

The 10kg Hardness Increaser (Calcium Chloride) is a highly effective solution designed to enhance water hardness. It is easy to dose, simple to test, and suitable for various applications, ensuring optimal water quality for pools, aquariums, and other uses.

## 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

## Images

![10kg Hardness Increaser (Calcium Chloride) - Image 1](https://m.media-amazon.com/images/I/81VcM4MP3pL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Four Stars
  

*by C***. on Reviewed in the United Kingdom 🇬🇧 on 3 February 2018*

great

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great product
  

*by B***E on Reviewed in the United Kingdom 🇬🇧 on 2 October 2019*

Always use it

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Five Stars
  

*by M***S on Reviewed in the United Kingdom 🇬🇧 on 28 July 2017*

Great product

---

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**Shop now:** [https://www.desertcart.es/products/62988327-10kg-hardness-increaser-calcium-chloride](https://www.desertcart.es/products/62988327-10kg-hardness-increaser-calcium-chloride)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-04-23*