Best Seller | Reef Spec Carbon Filter Media, 1000 ml. Red Sea REEF-SPEC Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics. Red Sea REEF-SPEC Carbon's granule size and its micro/macro porous structure, ensures a very high total adsorption capacity and... ... more Reef Spec Carbon Filter Media, 1000 ml. Red Sea REEF-SPEC Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics. Red Sea REEF-SPEC Carbon's granule size and its micro/macro porous structure, ensures a very high total adsorption capacity and... Petco.com | | $26.99 go to store |