Sahih Muslim
The Book of Drinks (Kitab Al-Ashriba)
Book Number: 023 / Hadith Number: 4973
Ibn Abbas reported that raisins were steeped in water for the Messenger of Allah (may peace be upon him) and he would drink it on that day and on the next day and on the following day until the evening of the third day. He would then order it to be drunk by (other people) or to be thrown away.