---
product_id: 306891188
title: "Spaguard Spa Calcium Increaser Spaguard Spa Calcium Hardness Increaser - 12"
price: "€ 35.52"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/306891188-spaguard-spa-calcium-increaser-spaguard-spa-calcium-hardness-increaser-12
store_origin: NL
region: Netherlands
---

# Raises calcium hardness by 25ppm per tbsp Protects spa equipment from corrosion Prevents plaster etching & surface damage Spaguard Spa Calcium Increaser Spaguard Spa Calcium Hardness Increaser - 12

**Price:** € 35.52
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your spa game—because soft water is so last season!

## Quick Answers

- **What is this?** Spaguard Spa Calcium Increaser Spaguard Spa Calcium Hardness Increaser - 12
- **How much does it cost?** € 35.52 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/306891188-spaguard-spa-calcium-increaser-spaguard-spa-calcium-hardness-increaser-12)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Equipment Lifesaver:** Prevents costly corrosion and extends spa life
- • **Spa-Ready Confidence:** Maintain perfect water chemistry for a flawless soak
- • **Effortless Maintenance:** Simple dosing keeps your spa balanced and pristine
- • **Precision Calcium Boost:** Just 1 tbsp per 100 gallons for optimal hardness
- • **Ultimate Surface Protection:** Stops plaster etching caused by soft water

## Overview

Spaguard Spa Calcium Increaser is a powerful formula designed to raise calcium hardness by 25ppm per tablespoon per 100 gallons, preventing plaster etching and protecting spa equipment from corrosion caused by low calcium levels. Ideal for maintaining balanced, long-lasting spa water quality.

## Description

Buy Spaguard Spa Calcium Increaser Spaguard Spa Calcium Hardness Increaser - 12 online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- Prevents etching of plaster due to low calcium hardness
- 1 tbs. per 100 gallons raises calcium hardness 25ppm
- Prevents corrosion of equipment due to low calcium hardness

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 19.71 x 6.1 x 5.99 cm; 340.19 g |
| Part number | 42257BIO |
| Item model number | BIO42257 |
| ASIN | B007ZUD2IU |

## Product Details

- **Item form:** Powder
- **Item weight:** 12 Ounces
- **Number of Items:** 12
- **Product benefits:** Prevents Corrosion
- **UPC:** 017541612326 017541646123

## Images

![Spaguard Spa Calcium Increaser Spaguard Spa Calcium Hardness Increaser - 12 - Image 1](https://m.media-amazon.com/images/I/613+hwIHJLS.jpg)

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**Shop now:** [https://www.desertcart.nl/products/306891188-spaguard-spa-calcium-increaser-spaguard-spa-calcium-hardness-increaser-12](https://www.desertcart.nl/products/306891188-spaguard-spa-calcium-increaser-spaguard-spa-calcium-hardness-increaser-12)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-25*