API Algae Wafers. Nourish your bottom-feeding Algae Eaters with API Algae Wafers, a premium fish food blend packaged in a 1.3 oz container. These sinking wafers are made with a nutrient-rich formula to provide a complete and balanced diet that promotes optimal health and growth. Key ingredients include algae and essential Omega-3 fatty acids, which support your fish's overall well-being. This specialized formula is also designed to help fish more readily use nutrients, resulting in less waste and contributing to cleaner, clearer aquarium water. Instructions: Drop the appropriate number of wafers into the aquarium bottom (enough for fish to consume in a few hours) and monitor to avoid overfeeding.