CaribSea Arag-Alive Hawaiian Black Live Sand 20lb – Live Reef Substrate aqua aquarium It is not a fertilizer

It is not a fertilizer and will not promote nuisance algae growth

it enhances glow while maintaining a natural shimmer and balanced reef appearance

Its removable top allows for quick and easy refilling

the Frag Tank 600 offers excellent visibility and easy top-down access for coral maintenance

CaribSea Arag-Alive Hawaiian Black Live Sand 20lb – Live Reef Substrate aqua aquarium It is not a fertilizerBring 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 dcor 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,