CaribSea Arag-Alive Hawaiian Black Live Sand 20lb – Live Reef Substrate

Bring dramatic contrast and authentic reef beauty to your aquarium with CaribSea Arag-Alive Hawaiian Black Live Sand (20lb). Inspired by the striking volcanic sands of Hawaii, this premium live substrate enhances the colors of corals, fish, and reef décor while supporting a healthy marine ecosystem.

Developed in collaboration with public aquariums and zoological parks, Arag-Alive!™ is engineered for both beauty and performance. It arrives ready to use, clears quickly, and is packed with millions of beneficial marine bacteria that help establish a natural biological balance from day one. This live sand significantly shortens aquarium cycling time, reduces ammonia spikes, and suppresses “new tank syndrome,” making it ideal for both new reef setups and upgrades.

Independent laboratory testing confirms Arag-Alive!™ cycles aquariums days faster than conventional live sands, providing reliability and speed trusted by professional aquarists and maintenance companies worldwide.

Key Features

• Authentic Hawaiian black aragonite sand for bold, natural aesthetics
• Pre-seeded with millions of live, beneficial marine bacteria
• Accelerates tank cycling and stabilizes biological filtration
• Suppresses ammonia, nitrite, and nuisance algae formation
• Ready-to-use formula that clears quickly in aquariums
• Ideal for marine and reef aquarium systems

CaribSea Arag-Alive Hawaiian Black Live Sand 20lb combines striking volcanic-black aesthetics with proven biological performance. Designed for fast setup and long-term stability, it is a trusted choice for reef aquarists seeking faster cycling, healthier water chemistry, and a visually stunning aquarium foundation.