http://www.betterthannature.com/catalog/article_info.php/articles_id/6
We had an interesting discussion on oxygen in irc today the idea was proposed to pump pure oxygen into your nute solution and some other places. However reading the article it turns out your solution generally holds a certain ppm of oxygen depending on the temperature of the solution so at 85 degrees (example from article) your solution will only hold 7 ppm of oxygen weather it be from the purest air or not. Good read
We had an interesting discussion on oxygen in irc today the idea was proposed to pump pure oxygen into your nute solution and some other places. However reading the article it turns out your solution generally holds a certain ppm of oxygen depending on the temperature of the solution so at 85 degrees (example from article) your solution will only hold 7 ppm of oxygen weather it be from the purest air or not. Good read