Has anyone ever thought of creating a CO2 diffuser made of a long tube coiled around where you have bubbles flowing up the coils and the water flowing down? It seems as if you could achieve 100% diffusion pretty easily. Any thoughts? Anybody ever tried this?
you are describing exactly what an internal co2 reactor is. and I think by far the best method of diffusing co2 in water. lots of DIY guide online. 1 advise I have is to make sure you have enough water flow to keep co2 bubbles in the chamber but not up the empeller at the same time not too much to push it down and out the the chambers outlet.