Sunan an-Nasa'i, Hadith 5562 ⓘ
It was narrated from Jabir that : The Messenger of Allah [SAW] forbade soaking raisins and Al-Busr together, and he forbade soaking Al-Busr and ripe dates together.
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرٍ، عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم أَنَّهُ نَهَى أَنْ يُنْبَذَ الزَّبِيبُ وَالْبُسْرُ جَمِيعًا وَنَهَى أَنْ يُنْبَذَ الْبُسْرُ وَالرُّطَبُ جَمِيعًا.
also referenced under: Book 51, Hadith 23 (In-Book) & Volume 6, Book 51, Hadith 5564 (DarusSalam)