The Book of Drinks
حَدَّثَنَا زُهَيْرُ بْنُ حَرْبٍ، وَأَبُو كُرَيْبٍ - وَاللَّفْظُ لِزُهَيْرٍ - قَالاَ حَدَّثَنَا وَكِيعٌ، عَنْ عِكْرِمَةَ، بْنِ عَمَّارٍ عَنْ أَبِي كَثِيرٍ الْحَنَفِيِّ، عَنْ أَبِي هُرَيْرَةَ، قَالَ نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم عَنِ الزَّبِيبِ وَالتَّمْرِ وَالْبُسْرِ وَالتَّمْرِ وَقَالَ " يُنْبَذُ كُلُّ وَاحِدٍ مِنْهُمَا عَلَى حِدَتِهِ " .Abu Huraira reported that Allah's Messenger (ﷺ) forbade (the preparation of Nabidh) from grapes and dates, and unripe dates and dry dates (by mixing them together). He (the Prophet also) said:Prepare Nabidh from each one of them separately
From Sahih Muslim, whose reports the scholars accept as authentic.