Zoo Med Nano Banquet Food Block Zoo Med Online Price $6.97Regular Price $7.99 Default Title - $6.97 Quantity This product is currently sold out. Time release food blocks made especially for feeding nano aquarium species of shrimp, crabs, crayfish, and fish. Contains Plankton & Spirulina for the long-term health of your nano aquarium animals. Great supplemental food source for difficult feeders. Can be used for routine feeding to provide enrichment and variety, or for weekend and vacation feeding. Will not cloud the water and is formulated for fresh and saltwater species