hi , it depends on what ducks your trying to draw in if its mallard they will eat weat, barley, tates, peas, beans , but if you want teal then i would use barley or if you can get old of any grass seed then teal will love it , because it just floats on the water also find the shallow part of ther pond then feed it that end and put it in the water and some just out of it but not to deep just enough for the ducks to dabble in and also if you are going to use tates try to get some rotton ones or chop them up so the ducks can nibble at them because they will not be able to brake them down till th