This high-grade carbon is tremendously efficient at chemical absorption. It has a particle size of .8 to 1.5 mm, a pore size of 10 to 20,000 Angstroms, an iodine level greater than 1,100 and an ash content less than .2%.
Contains no phosphates and is excellent for removing dissolved organics, organic chemicals and heavy metals. Highly recommended for saltwater reef systems. Use 1/4 lb per 100 gallons. No air shipment.
International customers: Check with your customs agent to determine whether this product can be shipped to your country.