oxygenate the solution

[Chris]

Hi Ron. Got a question or (2) for you. First I've read on several posts here that you should run your pump 24/7 to save wear and tear on it, but then it is also said to run the pump on x/off x. So which is it?

Also found a site that was saying that you could take 1/2 the output from the pump and have it spray back into the reservoir directly and that this action alone would oxygenate the solution enough for health plants. Does this sound right?