CaribSea Liferock - Mega Cave 16" Gravel We refer to it as

We refer to it as semi-floating because approximately 20% sinks at a regular interval so that surface feeding is followed by sinking feeding giving all fish in the water column the opportunity to feed

It contains Flourish®

cordless principle

it provides a rich source of metabolic energy to help maintain peak coral growth

CaribSea Liferock - Mega Cave 16" Gravel We refer to it asCaribsea LifeRock Mega Caves provide large stable hiding spaces in large marine and reef aquariums. Also adds dimension and leaves room for coral placement LifeRock Mega Cave Provide large stable hiding spaces Perfect for large marine and reef aquariums