---
product_id: 52967338
title: "Spa Choice 472-3-3061-06 Increase Calcium for Spas and Hot Tubs (6 Pack), 1 quart"
brand: "spachoice"
price: "€ 239.60"
currency: EUR
in_stock: true
category: "Lawn & Patio"
url: https://www.desertcart.it/products/52967338-spa-choice-472-3-3061-06-increase-calcium-for-spas
store_origin: IT
region: Italy
---

# Spa Choice 472-3-3061-06 Increase Calcium for Spas and Hot Tubs (6 Pack), 1 quart

**Brand:** spachoice
**Price:** € 239.60
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Spa Choice 472-3-3061-06 Increase Calcium for Spas and Hot Tubs (6 Pack), 1 quart by spachoice
- **How much does it cost?** € 239.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/52967338-spa-choice-472-3-3061-06-increase-calcium-for-spas)

## Best For

- spachoice enthusiasts

## Why This Product

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

## Description

Spa Choice Increase Calcium increases the calcium hardness in spas and hot tubs. When calcium levels are too low, spa water can be foamy and corrosive to equipment. When calcium levels are too high, you will see scale formation on the spa's interior and the water will become cloudy. Use a test kit or test strip to test your spa calcium levels. This product is used to increase the calcium hardness in spas and hot tubs with low levels of hardness. Low hardness levels will etch plaster and corrode equipment. Before adding this product, test the water with a calcium hardness test kit or ask your local spa dealer. The ideal hardness level is 200-400 ppm (parts per million). DIRECTIONS: 1 ounce of product per 500 gallons increases hardness by about 10 ppm. 1. Determine amount of product to be added using a calcium hardness test kit. 2. Pour proper amount into spa or hot tub with equipment turned ON. 3. Run filter for 1-2 hours. 4. Water may be retested in 20 minutes.

## Features

- Spa Choice Increase Calcium is used to increase calcium hardness in spas and hot tubs in areas with low levels of hardness
- Low hardness will etch plaster and corrode spa equipment
- The ideal hardness level is 200-400 ppm (parts per million)
- Downloadable User Guide Available Under Product Information: Technical Specifications

## Images

![Spa Choice 472-3-3061-06 Increase Calcium for Spas and Hot Tubs (6 Pack), 1 quart - Image 1](https://images-na.ssl-images-amazon.com/images/I/51Yz5QxGWVL.jpg)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-05-09*