About This

• Unsurpassed buffering capability: Keeps pH at a stable 8.2 for optimal aquatic environment
• Phosphate free: Ensures clean water quality without unwanted phosphate contamination
• High purity composition: 98% pure calcium carbonate with no impurities like other forms of aragonite
• Sustainably sourced material: Naturally renewable oolitic aragonite harvested responsibly
• Genuine Marine aragonite: Authentic ocean-harvested substrate, not land mined material
• Officially licensed product: The only brand with a lease from The Bahamian government to harvest aragonite
• Extensive surface area: Provides over 1 million sq. cm per kg for beneficial bacteria colonization
• Versatile aquarium substrate: Suitable grain size for reef tanks, fish tanks, plenum systems and refugiums