zostera marina is seaweed, rich in iodine and other beneficial minerals, therapeutic effect. other names are common eelgrass, seaw

algae ashore beach biological black cleaning coast coastal collect common day eelgrass family gland green healing health iodine kamka kelp marina material minerals natural nature ocean orange organic pollution raw salt sandy sea seaweed seawrack shore strand surf therapeutic thyroid typical ukraine underwater washed waste water waves zostera