---
product_id: 59392453
title: "Seachem Reef Kalkwasser - 500g"
brand: "seachem"
price: "215 zł"
currency: PLN
in_stock: true
category: "Seachem"
url: https://www.desertcart.pl/products/59392453-seachem-reef-kalkwasser-500g
store_origin: PL
region: Poland
---

# Optimizes calcium in top-off water Raises pH without altering alkalinity 99.9% pure calcium hydroxide Seachem Reef Kalkwasser - 500g

**Brand:** seachem
**Price:** 215 zł
**Availability:** ✅ In Stock

## Summary

> 🌊 Elevate Your Reef Game with Pure, Balanced Calcium Power!

## Quick Answers

- **What is this?** Seachem Reef Kalkwasser - 500g by seachem
- **How much does it cost?** 215 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/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

- • **pH Perfect Balance:** Increase pH naturally while maintaining stable carbonate alkalinity—no unwanted fluctuations.
- • **Safe & Controlled Use:** Formulated for professional aquarists—handle with care to avoid irritation, ensuring expert-level results.
- • **Effortless Integration:** Easily dissolve and dose for seamless top-off water enhancement, keeping your reef thriving.
- • **Trusted Reef Essential:** Backed by Seachem’s 2-year warranty and a 4.6-star rating from 455 reef enthusiasts.
- • **Precision Calcium Boost:** Elevate your reef’s vitality with ultra-pure calcium hydroxide for flawless coral growth.

## Overview

Seachem Reef Kalkwasser is a premium 500g powder of 99.9% pure calcium hydroxide designed to increase calcium levels in aquarium top-off water. It raises pH without impacting carbonate alkalinity, promoting healthy coral growth. Trusted by reef professionals, it comes with a 2-year warranty and is highly rated for effectiveness. Handle with care due to potential irritation risks.

## 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 | 39,265 in Pet Supplies ( See Top 100 in Pet Supplies ) 400 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 |
| 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
- **Manufacturer:** Seachem

## 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 Poland*
*Store origin: PL*
*Last updated: 2026-08-25*