---
product_id: 306891188
title: "Spa Calcium Increaser Spaguard Spa Calcium Hardness Increaser - 12"
brand: "spaguard"
price: "₩52915"
currency: KRW
in_stock: true
reviews_count: 5
category: "Spa Guard"
url: https://www.desertcart.kr/products/306891188-spa-calcium-increaser-spaguard-spa-calcium-hardness-increaser-12
store_origin: KR
region: South Korea
---

# Optimizes calcium hardness balance 12 oz precise powder dosing Prevents corrosion & extends spa life Spa Calcium Increaser Spaguard Spa Calcium Hardness Increaser - 12

**Brand:** spaguard
**Price:** ₩52915
**Availability:** ✅ In Stock

## Summary

> 🛁 Elevate your spa game—because your relaxation deserves the best!

## Quick Answers

- **What is this?** Spa Calcium Increaser Spaguard Spa Calcium Hardness Increaser - 12 by spaguard
- **How much does it cost?** ₩52915 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/306891188-spa-calcium-increaser-spaguard-spa-calcium-hardness-increaser-12)

## Best For

- spaguard enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Water Care:** Simple addition keeps your spa water perfectly balanced and safe.
- • **Precision Powder Formula:** Easy-to-measure 12 oz powder ensures consistent water treatment.
- • **Trusted SpaGuard Quality:** Backed by 4.7-star reviews from over 2,700 spa enthusiasts.
- • **Corrosion Defense Mastery:** Protect your spa from costly damage with balanced calcium levels.
- • **Extend Your Spa’s Lifespan:** Prevent soft water corrosion and enjoy longer-lasting relaxation.

## Overview

SpaGuard Spa Calcium Increaser is a 12-ounce powder designed to raise calcium hardness levels in spa water, preventing corrosion caused by soft water. With a trusted formula and high customer satisfaction, it ensures balanced water chemistry for prolonged spa durability and optimal user experience.

## Description

Raises calcium hardness levels to prevent corrosion that "soft" water can cause.

Review: This chemical line works great in my hot tub
Review: Very pleased with the product we have received from the dealer.

## Features

- Item Category: Pool Spa Water Treatment
- Item Trademark: GENERIC
- Manufacturer: Generic

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007ZUD2IU |
| Brand Name | SpaGuard |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,701) |
| Item Form | Powder |
| Item Weight | 12 Ounces |
| Manufacturer Part Number | 42257BIO |
| Model Number | BIO42257 |
| Number of Items | 12 |
| Product Benefits | Prevents Corrosion |
| UPC | 017541612326 017541646123 |
| Unit Count | 12.0 Count |

## Product Details

- **Brand:** SpaGuard
- **Item form:** Powder
- **Item weight:** 12 Ounces
- **Product benefits:** Prevents Corrosion
- **UPC:** 017541612326 017541646123

## Images

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

## Available Options

This product comes in different **Item Package Quantity** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***P on 12 March 2026*

This chemical line works great in my hot tub

### ⭐⭐⭐⭐⭐ Review
*by M***. on 16 March 2026*

Very pleased with the product we have received from the dealer.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 14 February 2026*

same as i would pay in spa house, but 8 dollars cheaper.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-07-29*