API Nitra-Zorb for Superclean Filter
Aquarium: Filter Cartridges A convenient pouch of natural and synthetic ion-exchange resins that selectively remove ammonia, nitrite, and nitrate from freshwater aquariums. Nitra-Zorb also helps during start up by reducing unhealthy ammonia surges while establishing the aquariums ecosystem. Nitra-Zorb is completely phosphate-free and can be reused after recharging.
- It contains superior resins and activated carbon.
- It makes water clean and clear.
- Features densely filled cartridge.