Tetra variety wafers are a complete food for all bottom feeding fish and crustaceansr mix of sinking herbivore and omnivore wafers to meet the nutritional needs of different bottom feedersr enriched with vegetable proteins and spirulina algaer wafers allow fish to graze naturallyr especially suitable for more timid bottom feeders who need time to feedr small wafer size reduces competition allowing all fish to feedr less waste for cleaner healthier water