Bituminous 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.

BRS Bulk Bituminous Carbon Specifications:

• Iodine Number: 1000
• Mesh Size: 6 x 10
• Hardness Number: 90