---
product_id: 656839759
title: "25-Pounds Premium Calcium Hardness Increaser for Pools"
brand: "pool mate"
price: "RM869"
currency: MYR
in_stock: true
category: "Pool Mate"
url: https://www.desertcart.com.my/products/656839759-25-pounds-premium-calcium-hardness-increaser-for-pools
store_origin: MY
region: Malaysia
---

# Rapid hardness boost Precise 10 ppm per 8 oz dosing Prevents corrosion & etching 25-Pounds Premium Calcium Hardness Increaser for Pools

**Brand:** pool mate
**Price:** RM869
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your pool flawless and envy-worthy with Pool Mate’s calcium boost!

## Quick Answers

- **What is this?** 25-Pounds Premium Calcium Hardness Increaser for Pools by pool mate
- **How much does it cost?** RM869 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/656839759-25-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

- • **Trusted & Top-Ranked:** Join thousands of savvy pool owners enjoying a 4.7-star rated, best-selling solution.
- • **Corrosion & Etch Defense:** Protect your investment by preventing damaging stains and surface wear.
- • **Precision Dosing Formula:** Easily raise calcium hardness by 10 ppm per 8 ounces per 5,000 gallons—no guesswork needed.
- • **Fast-Acting Calcium Power:** Elevate your pool’s hardness swiftly with pure calcium chloride for crystal-clear water.
- • **Optimized for All Pool Types:** Perfectly tailored calcium ranges for vinyl, tile, fiberglass, and painted pools.

## Overview

Pool Mate 25-Pounds Premium Calcium Hardness Increaser is a granular calcium chloride formula designed to rapidly and precisely raise calcium hardness levels in pools. Ideal for maintaining the recommended 200-400 ppm range, it prevents corrosion, staining, and etching across various pool surfaces. Trusted by thousands with a 4.7-star rating, it ensures balanced, crystal-clear water and long-lasting pool integrity.

## Description

This is a dry granular product that increases the total hardness in pool water to the recommended range.Test for calcium hardness with a reliable test kit. The desired range for calcium hardness is as follows: Vinyl Pools: 200-300 ppm, Tile and Exposed Aggregate Pools: 200-400 ppm, Marcite, Fiberglass or Painted Pools: 250-400 ppm. If the calcium hardness tests less than the desired range, add this product according to the included chart. Place this product into a plastic bucket already filled with swimming pool water. Do this in a ration of up to 2 pounds of product per approximate 5-gallon bucket of water. Slowly pour this solution around the perimeter of the swimming pool while the circulating system is operating. In a 10,000 gallon pool, do not add more than 10 pounds of this product per 2 hour period.

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CWVR71TS |
| Best Sellers Rank | #4,045 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #26 in Swimming Pool Balancers |
| Brand Name | Pool Mate |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,640) |
| Item Form | Granular |
| Item Type Name | for Pools |
| Item Weight | 25 pounds |
| Manufacturer | Pool Mate |
| Manufacturer Part Number | 1-2825B-A |
| Model Number | 1-2825B-A |
| Number of Items | 400 |
| Number of Packs | 1 |
| Package Size Name | 25-Pounds |
| Product Benefits | Calcium Increaser |
| UPC | 034261217013 |
| Unit Count | 400 Ounce |

## Product Details

- **Brand:** Pool Mate
- **Item Form:** Granular
- **Item Weight:** 25 pounds
- **Product Benefits:** Calcium Increaser
- **UPC:** 034261217013

## Images

![25-Pounds Premium Calcium Hardness Increaser for Pools - Image 1](https://m.media-amazon.com/images/I/71FDXA6r7iL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.com.my/products/656839759-25-pounds-premium-calcium-hardness-increaser-for-pools](https://www.desertcart.com.my/products/656839759-25-pounds-premium-calcium-hardness-increaser-for-pools)

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-10-15*