Biological filtration is the method by which useful micro organism stop working hazardous substances, which include ammonia and nitrites, into less toxic compounds. Their diet plan will count on the type of African cichlid you've got, some being herbivores, carnivores, or insectivores. They're going to measure about 5 to 6 https://pearlaquatics.my/product/sobo-aquarium-submersible-pump-1-year-warranty/