San Francisco Bay Brand ASF71220 Freeze Dried Plankton for Fresh and Saltwater Fish, 56gm Freeze dried brine plankton is designed for fresh and saltwater fish Contains heavy concentration of beta-carotene brings out the color of your fish Highly nutritious and excellent main diet, supplement or treat for finicky feeders Provides an abundance of proteins and lipids, making this plankton an ideal food supplement for fish and invertebrates Available in a 56-grams pack