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Fauna Marin Kalkwasser – High-Purity Calcium Hydroxide for Reef Aquariums

Fauna Marin Kalkwasser is a premium-grade calcium hydroxide powder used to maintain calcium and alkalinity levels in reef aquariums. By adding Kalkwasser (limewater) to your top-off system, it helps stabilize pH, promote coral growth, and reduce phosphate levels naturally.

Key Features:

• High-purity calcium hydroxide – ideal for reef aquariums
• Supports stable pH levels – helps prevent pH swings
• Promotes coral growth – delivers calcium in a balanced way
• Reduces phosphate levels – naturally binds phosphates in the water
• Suitable for automatic dosing – compatible with ATO (Auto Top Off) systems

Recommended Use:

Mix Fauna Marin Kalkwasser with RO/DI water to prepare limewater for top-off systems. Always dose slowly and ensure good water movement to avoid precipitation. Regular monitoring of calcium, alkalinity, and pH levels is recommended.

Ideal For:

• SPS and LPS coral reef aquariums
• Marine aquarists seeking stable water chemistry
• Users of kalk reactors or gravity-fed top-off systems

Product Information:

• Content: 100% pure calcium hydroxide (Ca(OH)₂)
• Packaging: Sealed container to ensure freshness and protection from moisture
• Made in Germany – premium quality by Fauna Marin

Boost Coral Health with Every Drop

Fauna Marin Kalkwasser offers a simple yet powerful method to maintain key parameters in reef tanks. Trusted by professionals and hobbyists alike, it ensures strong coral skeleton development, clear water, and a healthy marine environment.

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