---
product_id: 14935622
title: "Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride, Made in USA"
brand: "pool mate"
price: "AR$488467"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/14935622-pool-mate-25-pounds-premium-calcium-hardness-increaser-for-pools
store_origin: AR
region: Argentina
---

# 100% Calcium Chloride Increases hardness 10 ppm/5,000 gal 25 lbs for optimal balance Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride, Made in USA

**Brand:** pool mate
**Price:** AR$488467
**Availability:** ✅ In Stock

## Summary

> 🏊‍♂️ Dive into Quality with Pool Mate!

## Quick Answers

- **What is this?** Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride, Made in USA by pool mate
- **How much does it cost?** AR$488467 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/14935622-pool-mate-25-pounds-premium-calcium-hardness-increaser-for-pools)

## Best For

- pool mate enthusiasts

## Why This Product

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

## Key Features

- • **Made in the USA:** Quality you can trust for your backyard oasis.
- • **Perfect Balance:** Achieve ideal hardness range of 200-400 ppm effortlessly.
- • **Easy Application:** Just 8 oz. raises hardness by 10 ppm in 5,000 gallons!
- • **Stay Crystal Clear:** Prevents staining and etching for a pristine finish.
- • **Elevate Your Pool Game:** Rapidly boosts calcium levels to prevent corrosion.

## Overview

Pool Mate's 25-Pounds Premium Calcium Hardness Increaser is a high-quality calcium chloride solution designed to rapidly enhance your pool's calcium hardness levels, ensuring a safe and enjoyable swimming experience. With a recommended hardness range of 200-400 ppm, this product not only prevents corrosion and etching but also maintains the aesthetic appeal of your pool. Made in the USA, it's the perfect addition to your pool maintenance routine.

## Description

Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride, Made in USA

## Features

- Calcium chloride for pools
- Rapidly increases total hardness
- Helps prevent corrosion or etching of pools
- Ideal calcium hardness range 200 - 400 ppm
- 8 ounces raises calcium hardness level 10 ppm per 5,000 gallons of water
- Prevents the staining or etching of your pool's surface
- Low calcium hardness level can cause water issues

## Product Details

- **Brand:** Pool Mate
- **Item Weight:** 25 Pounds
- **Item Form:** Granular
- **Product Benefits:** Calcium Increaser
- **UPC:** 012775455251 676215238141

## Images

![Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride, Made in USA - Image 1](https://m.media-amazon.com/images/I/71nXAY9FDaL.jpg)
![Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride, Made in USA - Image 2](https://m.media-amazon.com/images/I/51+6jSyqWNL.jpg)
![Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride, Made in USA - Image 3](https://m.media-amazon.com/images/I/61G9Gd7OoRL.jpg)
![Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride, Made in USA - Image 4](https://m.media-amazon.com/images/I/71iJ-Ehz9HL.jpg)
![Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride, Made in USA - Image 5](https://m.media-amazon.com/images/I/51Fe4XfP1GL.jpg)

## Available Options

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

## Frequently Bought Together

- Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride, Made in USA
- Pool Mate 7-Pounds Premium Pool Stabilizer and Conditioner, Concentrated Cyanuric Acid for Pools, Helps Chlorine Last Longer
- Pool Mate 25-Pounds Premium Alkalinity Increaser for Swimming Pools, 100% Sodium Bicarbonate, Made in USA

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**Shop now:** [https://www.desertcart.com.ar/products/14935622-pool-mate-25-pounds-premium-calcium-hardness-increaser-for-pools](https://www.desertcart.com.ar/products/14935622-pool-mate-25-pounds-premium-calcium-hardness-increaser-for-pools)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-20*