Classic Activated Carbons prime application is as a purifier and clarifier. It is a highly effective absorbent with a large internal surface area. Its vast porous structure allows it to catch unwanted contaminants from all aquaria. Its major treatment objective is the removal of dissolved organics as well as suspended solids and residual oxidants (chlorine and ozone). In addition, Classic Activated Carbon will aid in the removal of odor organics, micro pollutants and medications.