---
product_id: 394011482
title: "SeachemReef Kalkwasser, 2 kg / 4.4 lbs"
brand: "seachem"
price: "31.87 OMR"
currency: OMR
in_stock: true
reviews_count: 1
url: https://www.desertcart.com.om/products/394011482-seachemreef-kalkwasser-2-kg-4-4-lbs
store_origin: OM
region: Oman
---

# Maintains natural seawater calcium levels Raises pH without altering carbonate alkalinity 99.9% pure calcium hydroxide SeachemReef Kalkwasser, 2 kg / 4.4 lbs

**Brand:** seachem
**Price:** 31.87 OMR
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your reef’s chemistry—pure, powerful, and precise!

## Quick Answers

- **What is this?** SeachemReef Kalkwasser, 2 kg / 4.4 lbs by seachem
- **How much does it cost?** 31.87 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/394011482-seachemreef-kalkwasser-2-kg-4-4-lbs)

## 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

- • **Economical & Efficient:** High solubility granules deliver maximum impact with minimal waste, saving you time and money.
- • **Natural Seawater Balance:** Keeps calcium concentrations at authentic ocean levels, supporting coral growth and health.
- • **Ultra-Pure Calcium Boost:** Ensures pristine water chemistry with 99.9% pure calcium hydroxide for reef vitality.
- • **Pro-Level Reef Maintenance:** Ideal for dedicated aquarists aiming for precision control over their reef’s ionic environment.
- • **pH Elevation, No Alkalinity Disruption:** Increases pH smoothly without compromising carbonate alkalinity—perfect for stable reef tanks.

## Overview

Seachem Reef Kalkwasser is a premium-grade calcium hydroxide powder designed to maintain natural seawater calcium levels and raise pH without affecting carbonate alkalinity. Its high purity and solubility make it an economical and effective solution for reef aquarists seeking precise water chemistry control.

## Description

SeachemReef Kalkwasser, 2 kg / 4.4 lbs

## Features

- Very pure calcium hydroxide
- Ideal for increasing calcium in top-off water
- Increases pH with no impact on carbonate alkalinity

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 20.32 x 20.32 x 19.05 cm; 2.27 kg |
| Item model number | 399 |
| Pet Life Stage | All Life Stages |
| Item Form | Granules |
| Allergen Information | Yam Free |
| Color | white |
| Size | 2 kg/ 4.4 lb |
| Number of Items | 1 |
| Quantity | 1 |
| Specific Uses | Active |
| batteries required | No |
| Batteries Included | No |
| Item Weight | 2.27 Kilograms |

## Product Details

- **Brand:** Seachem
- **Liquid volume:** 4 Liters
- **Item weight:** 2.27 kg
- **Item form:** Granules
- **Manufacturer:** Seachem

## Images

![SeachemReef Kalkwasser, 2 kg / 4.4 lbs - Image 1](https://m.media-amazon.com/images/I/61xyHTfQmFL.jpg)
![SeachemReef Kalkwasser, 2 kg / 4.4 lbs - Image 2](https://m.media-amazon.com/images/I/81+T-yQJcNL.jpg)
![SeachemReef Kalkwasser, 2 kg / 4.4 lbs - Image 3](https://m.media-amazon.com/images/I/91pqhrcjqFL.jpg)

## Customer Reviews

### ⭐ Broken box
*by J***O on 20 August 2023*

Broken container. All power everywhere, I have to clean up

## Frequently Bought Together

- Reef Kalkwasser, 2 kg / 4.4 lbs
- Instant Ocean Reef Crystals Reef Salt, Formulated Specifically For Reef Fish Tank Aquariums
- ESV B-Ionic Calcium Buffer System, 2-part Calcium and Alkalinity Maintenance Kit for Salt Water Coral Reef Aquarium, 2-Gallon

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**Shop now:** [https://www.desertcart.com.om/products/394011482-seachemreef-kalkwasser-2-kg-4-4-lbs](https://www.desertcart.com.om/products/394011482-seachemreef-kalkwasser-2-kg-4-4-lbs)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-25*