I just added an Aquatech 5-15 filter to my 5g that I am setting up. It sets quite alot lower in the tank than I had expected it to. The lip actually is under the waters surface. Rather than having a waterfall effect, it kind of just creates a slight ripple on the surface. Will this still properly add enough air to the water for whatever fish I add? I reall dont want to add a bubble stone for a tank so small.
Here is a quick vid to show what I mean:
Here is a quick vid to show what I mean: