Caribsea LifeRock 12 Inch Arches - Each ZEOVit System Primary use: tap-water conditioning and

Primary use: tap-water conditioning and fish slime-coat support

and a versatile mounting screw for small planted aquariums up to 20 gallons

and biological media layouts

It is designed for reef hobbyists

The R/O Filter Membrane Housing is a replacement reverse osmosis membrane housing for compatible aquarium RO and RO/DI water filter systems

Caribsea LifeRock 12 Inch Arches - Each ZEOVit System Primary use: tap-water conditioning andCaribsea LifeRock 12 Inch Arches Each Caribsea LifeRock 12 Inch Arches Each are pre formed aragonite reef rock arches for building open marine aquascapes with natural swim throughs, elevated coral placement, and strong visual depth. Each arch is sold individually. Caribsea 12 Inch LifeRock Arches for Reef Aquascaping The 12 inch LifeRock Arch is a practical size for medium reef aquariums and larger aquascapes that need open structure without a solid