The Sera 104 bettagran 0.8 oz 50 ml Pet Food is a fine, slowly sinking powder that is perfect for all freshwater and saltwater aquariums. The one-size bag contains enough color to enhance your fish’s natural coloring, and the bag is easy to open and refill. The Sera 104 bettagran 0.8 oz 50 ml Pet Food is a great way to add some color to your aquarium and keep your fish healthy.