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.
Remove cartridge from plastic. Rinse cartridge under cool tap water to remove loose dust. It does not need to rinse clear. Replace monthly or sooner if aquarium is heavily stocked and/or colors or odors are detected.
When and how should I use API CRYSTAL BIO-CHEM ZORB™ filtration cartridge?
Use this product to clean and clear dissolved organics from your aquarium water, such as colors, odors, and other pollutants. This product fits easily into filters, and is for use in freshwater, saltwater, and reef aquariums. Use when starting or maintaining an aquarium, or if pollutants are detected.
How often do these API CRYSTAL BIO-CHEM ZORB™ filtration cartridges need to be changed out with just one fish?
We recommend changing API CRYSTAL BIO-CHEM ZORB filtration cartridges once a month, but if your tank is clear, you can wait longer.