Bituminous Carbon - BRS Size:1/4 Gal (.75 lbs)(32oz) Heavy Bioload - 20 gallons

Heavy Bioload - 20 gallons

Membrane Flush Valve - Keep your RODI system running like new by flushing the membrane for a few minutes before and after each use

Replenish amino acids for colorful and healthy corals

Compatible with G5/G6 XR30 or XR15 Radion Lights

Bituminous Carbon - BRS Size:1/4 Gal (.75 lbs)(32oz) Heavy Bioload - 20 gallonsBituminous carbon is the most commonly used carbon in the aquarium industry. The small pore structure results in medium performance combined with low dust and price. Removes yellowing, pigments, contaminants and irritants from your tank. Great low cost alternative to our other aquarium carbons.