TMC EcoReef Rock - Box F oase biological filtration and a built-in

biological filtration and a built-in UVC clarifier

they are ideal for koi ponds with gravity-fed filtration systems

Environmental Function Control (EFC by OASE) protects against dry running and blocking

Easy integration with existing filtration systems

Extends cleaning intervals

TMC EcoReef Rock - Box F oase biological filtration and a built-inTMC Eco Reef Rock is a sustainable alternative to live rock and is the next step towards sustainable reef keeping. Eco Reef Rock is unlike other rocks on the market and cannot be compared by Kg as like other types of natural man made rocks. This is down to the unrivalled porous nature making this 2. 5 x the volume for the same weight. Each piece of rock is man made with many stunning shapes and sizes making TMC Eco Reef Rock some of the most