أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ عَطَاءٍ، عَنْ جَابِرٍ، عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم أَنَّهُ نَهَى أَنْ يُنْبَذَ الزَّبِيبُ وَالتَّمْرُ جَمِيعًا وَنَهَى أَنْ يُنْبَذَ الْبُسْرُ وَالتَّمْرُ جَمِيعًا‏.‏

It was narrated from Jabir that: The Messenger of Allah [SAW] forbade soaking raisins and dried dates together, and he forbade soaking Al-Busr and dried dates together. Translation Not Available

Book Ref: Sunan An Nisai Book 51 Hadith 5556
Web Ref:  Sunan An Nisai Vol 6 Book 51 Hadith 5558