ageofaquariums Posted October 2, 2013 Report Share Posted October 2, 2013 A highly nutritional diet that brings out vibrant reds and yellows on Koi and ornamental goldfish. Feed in spring, summer and fall, when water temperatures are 50°F and above. Age of Aquariums - Tetra Pond Koi Sticks 1100gm Usual Discounts Apply. Ben Link to comment Share on other sites More sharing options...