TetraPond Variety Blend Fish Food to Enhance Color and Vitality POND BLEND: Daily staple food for koi, ornamental goldfish and other pond fish species of all sizes  enhances color and vitality. VARIED DIET: This blend includes Pond Sticks, Koi Vibrance and Spring &amp; Fall Diet. SOFT STICKS: Easy to eat and digest for both small and large fish. COLOR-ENHANCING: Nutrition to enhance color and vitality. USAGE: Feed Variety Blend in spring, summer and fall when water temperatures are 50F and above.