It is safe for all fish and inverts, and is an aragonitic base material (does not contain cement), requires no curing, and is infused with spored, live bacteria. It has got Loads of the benefits of live rock but with none of the negatives.

The rock comes seeded with a spore bacteria ready to act as your base filtration , The shapes and colours are that of actual live rock . The surface structure is designed so coralline algae and corals can attach and grow just like they do on live rock . However: No unwanted algae, No long curing times and No hitch hiking pests

Carabsea life rock 20lb