---
product_id: 306144408
title: "Perma-Cast SpaPure Calcium Hardness Increaser 16oz"
brand: "spapure"
price: "R$449"
currency: BRL
in_stock: true
reviews_count: 5
category: "Spa Pure"
url: https://www.desertcart.com.br/products/306144408-perma-cast-spapure-calcium-hardness-increaser-16oz
store_origin: BR
region: Brazil
---

# Safely raises calcium hardness Compatible with all sanitizer systems Prevents spa surface corrosion Perma-Cast SpaPure Calcium Hardness Increaser 16oz

**Brand:** spapure
**Price:** R$449
**Availability:** ✅ In Stock

## Summary

> 💦 Elevate your spa experience—because your relaxation deserves perfection!

## Quick Answers

- **What is this?** Perma-Cast SpaPure Calcium Hardness Increaser 16oz by spapure
- **How much does it cost?** R$449 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/306144408-perma-cast-spapure-calcium-hardness-increaser-16oz)

## Best For

- spapure enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Thousands:** Highly rated with 4.6 stars from over 570 spa enthusiasts ensuring reliable performance.
- • **Effortless Maintenance:** Granular formula makes dosing simple and precise for all spa and hot tub types.
- • **Crystal Clear Spa Water:** Boost calcium hardness to maintain perfect water balance and clarity.
- • **Universal Compatibility:** Works seamlessly with bromine, chlorine, mineral sanitizers, and biguanide systems.
- • **Ultimate Surface Protection:** Stops corrosion to keep your spa’s surfaces pristine and long-lasting.

## Overview

Perma-Cast SpaPure Calcium Hardness Increaser (16oz) is a granular formula designed to safely raise calcium levels in spa water, preventing corrosion and protecting spa surfaces. Compatible with all sanitizer systems, it ensures balanced, crystal-clear water and long-lasting spa equipment.

## Description

Perma-Cast PC3008A 3" Deck Aluminum Anchor Channel Mount Set PC-3008-A

Review: Works as described.
Review: Increases Water Hardness.

## Features

- Safely raise the calcium hardness levels in your spa water
- Stop and prevent the corrosion of your spa's surfaces
- Compatible with all systems including bromine, chlorine, mineral sanitizers, and biguanide
- For Use in All Spas and Hottubs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0045W037Y |
| Brand | SpaPure |
| Brand Name | SpaPure |
| Customer Reviews | 4.6 out of 5 stars 573 Reviews |
| Item Form | Granular |
| Item Weight | 16 Ounces |
| Item form | Granular |
| Item weight | 16 Ounces |
| Manufacturer | Perma-Cast |
| Product Benefits | Corrosion |
| Product benefits | Corrosion |
| UPC | 025551710581 025551721402 |
| Unit Count | 16.0 Ounce |
| Unit count | 16.0 Ounce |

## Product Details

- **Brand:** SpaPure
- **Item form:** Granular
- **Item weight:** 16 Ounces
- **Product benefits:** Corrosion
- **UPC:** 025551710581 025551721402

## Images

![Perma-Cast SpaPure Calcium Hardness Increaser 16oz - Image 1](https://m.media-amazon.com/images/I/71YukXSWq7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works as described.
*by M***H on 7 October 2025*



### ⭐⭐⭐⭐⭐ Increases Water Hardness.
*by A***K on 23 June 2025*



### ⭐⭐⭐⭐ Easy to use for small pool or spa
*by P***G on 19 September 2024*



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**Shop now:** [https://www.desertcart.com.br/products/306144408-perma-cast-spapure-calcium-hardness-increaser-16oz](https://www.desertcart.com.br/products/306144408-perma-cast-spapure-calcium-hardness-increaser-16oz)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-04-23*