Caribsea Liferock Donuts 4Pk

LifeRock™ is an environmentally responsible dry rock that has the appearance and biological benefits of live rock! It is a real aragonitic rock with extensive macro and micro-porosity infused with spored bacteria. It is safe for all fish and inverts and best suited for use in marine and reef aquariums.

Features:

-Coralline color helps you to achieve a "mature" look in your tank from day one
-Environmentally responsible to help preserve the oceans
-Spored with beneficial bacteria to help cycle your tank
-Ready-to-use with no cure time
-Pest-free!
-Designed with nature-inspired knobs and notches that help shapes lock together
- Safe for all fish and invertebrates

LifeRock Donuts are perfect for instant swim through spaces or large coral seats. Diameter is approximately 8 inches and a depth of 2 to 3 inches. Not a drilled hole, LifeRock Donuts look natural and pretty.