---
product_id: 59392453
title: "Seachem Reef Kalkwasser - 500g"
brand: "seachem"
price: "172 kr"
currency: NOK
in_stock: true
category: "Seachem"
url: https://www.desertcart.no/products/59392453-seachem-reef-kalkwasser-500g
store_origin: NO
region: Norway
---

# Boosts calcium levels precisely Raises pH without altering alkalinity 99.9% pure calcium hydroxide Seachem Reef Kalkwasser - 500g

**Brand:** seachem
**Price:** 172 kr
**Availability:** ✅ In Stock

## Summary

> 🌊 Elevate your reef’s vitality with precision and purity!

## Quick Answers

- **What is this?** Seachem Reef Kalkwasser - 500g by seachem
- **How much does it cost?** 172 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/59392453-seachem-reef-kalkwasser-500g)

## Best For

- seachem enthusiasts

## Why This Product

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

## Key Features

- • **Easy-to-Use Powder:** Dissolves quickly and integrates seamlessly into your routine with clear dosing instructions.
- • **Ultra-Pure Formula:** Crafted with 99.9% pure calcium hydroxide for safe, effective water treatment.
- • **pH Balance Mastery:** Elevate aquarium pH naturally without disturbing carbonate alkalinity—keep your reef stable.
- • **Precision Calcium Boost:** Easily increase calcium in your reef top-off water for optimal coral growth.
- • **Trusted Brand Reliability:** Seachem’s proven quality ensures consistent results trusted by thousands of reef enthusiasts.

## Overview

Seachem Reef Kalkwasser is a premium 500g powder of ultra-pure calcium hydroxide designed to safely increase calcium levels and raise pH in reef aquarium top-off water without impacting carbonate alkalinity. Trusted by aquarists worldwide, it supports healthy coral growth and stable water chemistry with easy dosing and reliable performance.

## Description

Product Description Seachem Reef Kalkwasser 500G Ingredients calcium hydroxide P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Directions Dissolve 5 g of Reef Kalkwasser in 100 mL of distilled water. Add this solution to the aquarium gradually, mixing well. Perform regular calcium tests and adjust dosage as needed. Avoid direct sunlight exposure and keep out of reach of children and pets. Box Contains water treatment See more

## Features

- Causes serious eye damage.
- Causes skin irritation.
- May cause respiratory irritation.
- Very pure calcium hydroxide
- Ideal for increasing calcium in top-off water
- Increases pH with no impact on carbonate alkalinity

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0002A5WOW |
| Allergen Information | Yam Free |
| Best Sellers Rank | 99,675 in Pet Supplies ( See Top 100 in Pet Supplies ) 922 in Aquarium Water Treatments |
| Brand Name | Seachem |
| Country Of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (455) |
| Global Trade Identification Number | 00000116039703 |
| Included Components | Water conditioner |
| Item Form | Powder |
| Item Type Name | Seachem Reef Kalkwasser, 500 g |
| Item Weight | 0.43 Kilograms |
| Liquid Volume | 2 Litres |
| Manufacturer | Seachem |
| Manufacturer Part Number | 116039703 |
| Model Number | 116039703 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pet Type | Fish |
| Product Warranty | 2 year |
| Target Species | Fish |
| UPC | 716184594715 000116039703 |
| Unit Count | 500.0 gram |

## Product Details

- **Brand:** Seachem
- **Item form:** Powder
- **Item weight:** 0.43 Kilograms
- **Liquid volume:** 2 Litres
- **Number of Packs:** 1

## Images

![Seachem Reef Kalkwasser - 500g - Image 1](https://m.media-amazon.com/images/I/81maDbpKu0L.jpg)

## Available Options

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

## Frequently Bought Together

- Seachem Reef Kalkwasser 500gram
- Polyp Lab Nano Reef-Roids Coral Food - 37g
- Seachem Reef Complete 500ml

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---

*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-10-09*