CaribSea Arag Alive Hawaiian Black 2-20lb Bags – Case
CaribSea Arag Alive Hawaiian Black is a specialized aquarium substrate designed to replicate the natural conditions of tropical reefs. Developed in collaboration with public aquariums and zoological parks, this product ensures authenticity and performance in real aquatic environments.
It helps maintain a stable pH level without requiring frequent chemical additions. The substrate supports a biological balance that naturally reduces nuisance algae growth.
Containing millions of specially engineered bacteria per pound, Arag Alive promotes aggressive waste breakdown in closed aquarium systems. It helps suppress new tank syndrome and accelerates the ammonia cycle, allowing your aquarium to cycle faster than with other substrates.
| Specification | Details |
|---|---|
| Weight per bag | 2-20 lbs |
| Product Type | Substrate |
| Color | Hawaiian Black |
| Application | Aquarium substrate |
FAQ
How does Arag Alive help with aquarium cycling?
Arag Alive contains millions of bacteria per pound that are specifically engineered to break down waste in closed systems. This helps initiate the nitrogen cycle faster, reducing the time needed for a new aquarium to stabilize.
Is Arag Alive suitable for all types of aquariums?
Yes, it is designed for use in freshwater aquariums and is especially effective in reef and planted tanks where biological balance and stable pH are essential.
Does Arag Alive require any additional maintenance after setup?
Please contact customer service

Anthony Nash –
My aquarium has been cycling much faster since I used Arag Alive. The water pH has stayed stable, and there’s less algae than before. It’s a game-changer for new tank setups.
Bernadette Kerr –
The substrate looks natural and blends well with the tank. I noticed a significant drop in ammonia levels within a week. It’s easy to mix in and works well with my planted tank.
Dan Forsyth –
After switching from regular gravel, my tank has been much more balanced. The bacteria in the substrate helped reduce waste and kept the water clean without needing extra chemicals.