- 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.