Premium Activated CarbonReef Endurance now offers ROX 0.8 Pharmaceutical Grade Activated Carbon, the finest activated carbon available. These tiny dense extruded pellets produce superior absorption for quicker pristine water clarity with fewer media. Quickly remove yellowing pigments, medications, contaminants, toxins, and other irritants from your aquarium’s water. Now offered in four sizes. ROX FeaturesBest performing carbonWide range of pore sizesUse less media as compared to most standard carbonsUltra-low dust contentRequires very little rinsing Dosage1Tbsp per 10 US gal Rinse thoroughly before use. Place carbon in a canister filter, media reactor, or fine mesh bag placed in a moderate flow area of the sump. MaintainingReplace with fresh media every two weeks or as needed. ROX SpecificationsWashed with Hydrochloric AcidIodine number: 1000 min.Ball-pan hardness: 97 min.Surface area (BET): 1300m2/gpH: NeutralParticle size: <0.60 mmAsh content: 1%Methylene blue absorption g/100g: 24
