Athena Cleanse, 5 GallonAthena Cleanse is made from the ideal (and safe) root zone optimizing agents Hypochlorous acid. This safe and mild acid is derived from salt and a proprietary electrochemical treatment process. The result is a unique, plant safe chemical with powerful oxidative properties to keep your root zone clean and free of unwanted organisms and buildup. These special properties improve both mineral and oxygen availability in the growing media.