100% nutritionally complete for omnivorous fish and was developed by professional nutritionists and fish experts. Formulated as an easily-digestible, high-energy, nutrient-dense diet with an excellent conversion rate, Pond Fish 4000 has superior feed efficiency and supplements your pond’s natural food source. AquaMax® Pond Fish 4000 is a floating product in a in a 3/16″ extruded pellet.