Our most popular pond fish food brand. Tetra Pond Sticks provide an ideal maintenance diet for koi and ornamental goldfish. The formula provides nutrition for energy - feed in spring, summer and fall when water temperatures are 50 degrees and above. Tetra Pond Sticks are designed to soften quickly for pond fish. They are highly digestible to help promote clearer water and minimize waste. Feed at least two to three times daily, only as much food as your fish will consume within five minutes. When water temperature is below 50 degrees, feed pond fish with TetraPond Spring & Fall Diet. Fish should not be fed when the temperature is below 39 degrees.