Is there a test or a way to tell how much oxygen is in the water of my tank? What do you all use in the way of air output if anything or do you think the water flow from the filter is enough?
Why do fish suck at the top of the water? Could this be indicative of a lack of oxygen in my water?
Why do fish suck at the top of the water? Could this be indicative of a lack of oxygen in my water?