A favourite choice for aquariums, activated carbon filter media naturally draws out pollutants from your tank's water, helping to remove odours, toxic compounds and other impurities - leaving your tank clean and clear. Different from other medias on the market, activated carbon is highly porous, and its larger surface area allows for better absorption, but it needs to be replaced regularly to ensure continued effectiveness. Stock up on activated carbon filter media to make sure you never miss a change with the the full range below.