Sahih (Sahih Muslim)
وَحَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، أَخْبَرَنَا جَرِيرٌ، عَنِ الأَعْمَشِ، عَنْ يَحْيَى أَبِي عُمَرَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُنْبَذُ لَهُ الزَّبِيبُ فِي السِّقَاءِ فَيَشْرَبُهُ يَوْمَهُ وَالْغَدَ وَبَعْدَ الْغَدِ فَإِذَا كَانَ مِسَاءُ الثَّالِثَةِ شَرِبَهُ وَسَقَاهُ فَإِنْ فَضَلَ شَىْءٌ أَهْرَاقَهُ .
Ibn Abbas reported that Nabidh was prepared from raisins for Allah's Messenger (ﷺ) in the waterskin and he would drink it on that day and on the next day and the day following and when It was the evening of the third day, and he would drink it and give it to (his Companions) and if something was left over, he threw that away