The API Nitra-Zorb Filter Media is a convenient pouch of natural and synthetic ion-excahnge that help remoe ammonia and nitrates from freshwater aquariums. This also helps start up by reducing ammonia surges while solidifying the aquarium’s ecosystem. API’s Nitra-Zorb is 100% phosphate-free, and is reusable after recharging.
Media comes preloaded in 1 large pouch
Treats up to 55 US Gallons