TetraPond? Wheatgerm Sticks Highly digestible food sticks for feeding fish (including koi)during the winter, once temperatures fall below 10 ?C.? Available in 200g, 780g, 1400g, 2000g? provide specific nutrients that enhance condition at low temperatures? keep fish in good condition throughout the colder months, leaving them healthier in the spring? rich in highly digestible wheatgerm? feed down to 4 ?C