About this product range:~ Tetra Pond Wheatgerm Sticks Highly digestible food sticks for feeding fish (including koi) during the winter, once temperatures fall below 10 °C. &8226; Available in 200g, 780g, 1400g, 2000g &8226; provide specific nutrients that enhance condition at low temperatures &8226; keep fish in good condition throughout the colder months, leaving them healthier in the spring &8226; rich in highly digestible wheatgerm &8226; feed down to 4 °C