API® CRYSTAL BIO-CHEM ZORB filtration cartridges remove compounds with an exclusive, research grade resin-carbon blend that carbon alone cannot remove. CRYSTAL BIO-CHEM ZORB filtration cartridges make water 3X clearer than competitive filters.

The double layered pad removes debris, while the resin-carbon blend removes colors and odors from aquarium water. Use when starting an aquarium or during regular maintenance to remove aquarium pollutants.


2 pack – size 5, 2 pack – size 10, 3 pack – size 5-20, 3 pack – size 30, 3 pack – size 50

warningWARNING: This product can expose you to chemicals including carbon, which is known to the State of California to cause cancer. For more information go to

Recommended Products