CaribSea Seafloor Fiji Pink Reef Sand 40lb
Arage-Alive substrate is specially formulated to support healthy reef ecosystems in home aquariums. Developed in collaboration with public aquariums and zoological parks, this sand combines natural ingredients with engineered bacteria to promote stable water conditions.
It helps maintain optimal pH levels without requiring frequent chemical additions. The bacteria in Arag-Alive are designed to reduce waste and suppress algae growth, creating a balanced environment that supports marine life.
Designed to prevent new tank syndrome, Arag-Alive accelerates the cycling process, allowing your aquarium to stabilize faster. Independent laboratory testing has shown it cycles tanks more efficiently than standard substrates.
| Product Details |
|---|
| Brand: CaribSea Inc |
| Weight: 40 lbs |
| Color: Fiji Pink |
| Product Type: Reef Sand |
| Key Feature: Arag-Alive Technology |
FAQ
How does Arag-Alive help with aquarium cycling?
Arag-Alive contains specially engineered bacteria that begin the nitrogen cycle immediately, reducing ammonia levels and stabilizing water conditions faster than traditional substrates. Independent labs have shown it accelerates tank cycling.
Is this sand suitable for all types of aquariums?
This sand is specifically designed for reef and marine aquariums. It is not recommended for freshwater tanks or species that require different substrate types.
Does the sand contain any chemical additives?
No, Arag-Alive is formulated without chemical additives. It relies on natural bacterial colonies to maintain water balance.

John Rees –
The sand looks beautiful in my 55-gallon reef tank. My water pH has stayed stable for over three months without needing pH adjustments. The tank cycled much faster than expected, and there’s very little algae growth now.
Anthony Morgan –
I used this sand after switching from a standard substrate. The color is vibrant and matches the natural reef look. My fish seem more active, and the water clarity has improved noticeably.
Dan Randall –
After two months, my tank has stabilized completely. The bacteria in the sand are working well and have reduced ammonia spikes. I no longer need to perform daily water changes as frequently.
Jack Hodges –
The sand is easy to mix into the tank and doesn’t clump. I noticed a difference in water chemistry right after adding it. My coral has grown better than before.
Ruth Gibson –
This product is a game-changer for new aquarium owners. The cycling process was much quicker, and the water remains balanced. I’m very satisfied with the performance and appearance.