http://walthamstow.london/News/learn-more-151/ Water circulation is vital in every aquarium, to ensure appropriate filtration, and prevent the creation of anoxic or low-temperature regions, and send nourishment to creatures that are static. Power heads and aerators often offer sufficient circulation for a simple aquarium. In a planted tank, but the water should be left undisturbed as far as you possibly can to prevent lack in carbon dioxide an Sat, 16 Jun 2018 09:24:13 UTC en