Jebao OW-40

The Jebao OW-40 is a controllable circulation pump for moving water within an aquarium. Its magnetic mounting and adjustable pump head help you direct flow around rockwork, while the external controller provides a choice of output and wave patterns.

Position it to circulate water through the display without lifting sand continuously or pressing delicate animals into a concentrated stream. Start at a restrained output and assess the whole tank, including sheltered areas behind the aquascape. The controller's feeding pause temporarily reduces disruption when food is added.

Keep the controller dry and accessible. Inspect the pump intake and clean deposits from the impeller assembly as part of regular maintenance; a dirty circulation pump can lose useful output even while its motor continues running.