If you would like more specific information about marine phytoplankton or ocean algae, please contact us at the below phone number or address. Thank you. Marine Cure P.O. Box 360 Pacifica, CA 94044 Phone: 650-557-9850 Fax: 650-359-8855 Email: info@marinecure.com Please put Marinecure in subject line of any emails to us. info@marinecure.com