---
product_id: 20790332
title: "Kalk+2 – Premium Kalkwasser Powder Supplement with Calcium, Strontium, and Magnesium for Reef Aquariums, pH & Alkalinity Support, 450g"
brand: "brightwell aquatics"
price: "326 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/20790332-kalk-2-premium-kalkwasser-powder-supplement-with-calcium-strontium-magnesium
store_origin: RO
region: Romania
---

# Calcium, Strontium & Magnesium blend pH & Alkalinity stabilization Premium American-made quality Kalk+2 – Premium Kalkwasser Powder Supplement with Calcium, Strontium, and Magnesium for Reef Aquariums, pH & Alkalinity Support, 450g

**Brand:** brightwell aquatics
**Price:** 326 Lei
**Availability:** ✅ In Stock

## Summary

> 🌊 Elevate your reef’s vitality with every scoop!

## Quick Answers

- **What is this?** Kalk+2 – Premium Kalkwasser Powder Supplement with Calcium, Strontium, and Magnesium for Reef Aquariums, pH & Alkalinity Support, 450g by brightwell aquatics
- **How much does it cost?** 326 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/20790332-kalk-2-premium-kalkwasser-powder-supplement-with-calcium-strontium-magnesium)

## Best For

- brightwell aquatics enthusiasts

## Why This Product

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

## Key Features

- • **Chloride-Free Purity:** No added chloride or harmful salts—safer for sensitive marine life
- • **Proudly Made in the USA:** Industry-leading quality and innovation you can rely on
- • **Stable Aquarium Chemistry:** Maintains optimal pH and alkalinity for a thriving reef ecosystem
- • **Reef-Ready Mineral Balance:** Supports coral, clam & algae growth with natural aragonite ratios
- • **Scientifically Proven Formula:** Enhanced calcium supplement trusted by expert reef keepers

## Overview

Brightwell Aquatics Kalk+2 is a premium 450g powder supplement delivering calcium, strontium, and magnesium in natural aragonite ratios to support healthy reef-building invertebrates. It stabilizes pH and alkalinity without adding chloride, ensuring a balanced marine environment. Made in the USA, this scientifically backed formula is designed for serious reef hobbyists seeking superior aquarium care.

## Description

Kalk+2 – Premium Kalkwasser Powder Supplement with Calcium, Strontium, and Magnesium for Reef Aquariums, pH & Alkalinity Support, 450g

## Features

- ESSENTIAL CALCIUM, STRONTIUM & MAGNESIUM: Brightwell Aquatics Kalk+2 provides the necessary calcium, strontium, and magnesium in the same ratios found in aragonite, supporting healthy reef-building invertebrates like corals, clams, and calcareous algae.
- MAINTAINS pH & ALKALINITY: Brightwell Aquatics Kalk+2 helps maintain a stable pH within the optimal range while temporarily supporting alkalinity levels, promoting a balanced and thriving reef environment.
- NO CHLORIDE ADDED: Unlike other calcium supplements, Brightwell Aquatics Kalk+2 does not contain chloride or any other conservative elements, making it a safer choice for hobbyists who want to avoid additional salts in their aquarium.
- PROVEN FORMULA FOR REEF KEEPERS: Brightwell Aquatics Kalk+2 improves upon traditional calcium supplement formulas, offering a more effective and scientifically-backed solution for aquarium hobbyists.
- AMERICAN-MADE EXCELLENCE – Brightwell Aquatics is an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. Made in the USA, we consistently deliver advanced superior quality solutions to elevate the vibrancy and health of your aquarium.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 1 Pounds |
| Liquid Volume | 1 Gallons |
| Allergen Information | Sulphites Free |
| Target Species | Fish |
| Item Form | Powder |

## Product Details

- **Brand:** Brightwell Aquatics
- **Liquid Volume:** 1 Gallons
- **Item Weight:** 16 ounces
- **Item Form:** Powder
- **Target Species:** Fish

## Images

![Kalk+2 – Premium Kalkwasser Powder Supplement with Calcium, Strontium, and Magnesium for Reef Aquariums, pH & Alkalinity Support, 450g - Image 1](https://m.media-amazon.com/images/I/61dSH2qaTcL.jpg)

## Available Options

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

## Frequently Bought Together

- Brightwell Aquatics Kalk+2 - Advanced Calcium, Magnesium & Strontium Powdered Kalkwasser Supplement for Marine Fish and Aquariums
- Red Sea Reef Energy Plus 1000ml (AB+) All in One Coral Food for Saltwater Aquarium Marine Reef Tanks | Food for Soft, LPS, SPS, and Non-Photosynthetic Corals
- Brightwell Aquatics Replenish - Advanced Trace and Minor Element Supplement for Marine Fish and Reef Aquarium 500-ml

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**Shop now:** [https://www.desertcart.ro/products/20790332-kalk-2-premium-kalkwasser-powder-supplement-with-calcium-strontium-magnesium](https://www.desertcart.ro/products/20790332-kalk-2-premium-kalkwasser-powder-supplement-with-calcium-strontium-magnesium)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-02*