Oxygen, Aeration, and Oxygenation in Ponds and Aquaria

Oxygen is essential to almost all living things. Water carries a pitifully small amount of oxygen but fish have been designed to make the best of it. Oxygenation is atmospheric. Not bubbles. The only way oxygen can mix with water (oxygenation) is by contact with atmospheric air in features such as waterfalls, flooming pumps, filter … Read more