I did not realize all commercial grows use chemicals. Maybe that's why I grow my own. I grow for meds not cash, so quality is king. I must like the end result. A few extra ounces of doo doo does not help my cause. I am mainly opposed to the harsh insecticides that they use commonly.[FONT=Arial, Helvetica, sans-serif] [/FONT][FONT=Arial, Helvetica, sans-serif]https://www.icmag.com/ic/newreply.php?do=newreply&noquote=1&p=7927049[/FONT]yields can be compared certainly. But they will be lower. Why else would all commercial operations use chemicals?