It is disliked to make Nabidh by mixing dried dates and raisins Sahih Muslim 1989 a

Arabic hadith text
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 وسلمعَنِ الزَّبِيبِ وَالتَّمْرِ وَالْبُسْرِ وَالتَّمْرِ وَقَالَ ‏"‏ يُنْبَذُ كُلُّ وَاحِدٍ مِنْهُمَا عَلَى حِدَتِهِ ‏"‏ ‏.‏
Translation
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.