Your getting all your facts from the manufacturer or a retailer. Talk about a conflict of interest. They are trying to sell you something.
Many growers on here know the results of using sulfer (Epsom salts) to promote essintial oil production.
@RM3 post about it regularly.
Since "I didn't do my research", please explain to me how a synthetic grow see any benefits from chitosan. Theirs no microbiology to breakdown into the enzyme the plant can use. so it's a marketing gimmick to make you think this bottle is something miraculous.