Organic Hydroponics is not only possible and practical. This is the preferred growing method for most if not all food plants. Couple this with raising fish, and you have aquaponics. The pluses for using both of these methods to raise food without chemicals and yet be highly productive and reduce the possibility of contamination of our groundwater supplies indicates that this will be the future of intensive agriculture, irrespective of what the Luddites of the organic world believe. Read a discussion on Organic Hydroponics by joining the Wasabi Growers Club.