Propagator for the breeding of many fish species or shrimp. Ideal for fresh and saltwater aquariums. The water flows from the aquarium propagator in and out. Therefore, the water quality and temperature in the tub perfect while the cultivated fish, eggs and young fish or shrimp separate from the aquarium. Hang the easy breeding box to your aquarium and connect all components as shown in the enclosed manual. Connect the air pump (not supplied!) to the circulation pipe and fill the tub with water from the aquarium. The tub is now ready for use. The water flows from the tank into the tub and out.