flow and circulation

  1. Nick72

    CO2 Distribution (Nozzle, Lily Pipes, Spray Bars)

    I've read a couple of posts here recently that seem to suggest that a spray bar is the most effective way to return CO2 rich water back to the tank (assuming that you have an inline diffuser). They say you achieve better flow for CO2 distribution. Is this generally correct? I'm using a Fluval...