It is disliked to make Nabidh by mixing dried dates and raisins Sahih Muslim 1990 b
Arabic hadith text
وَحَدَّثَنِيهِ وَهْبُ بْنُ بَقِيَّةَ، أَخْبَرَنَا خَالِدٌ، - يَعْنِي الطَّحَّانَ - عَنِ الشَّيْبَانِيِّ، بِهَذَا الإِسْنَادِ
فِي التَّمْرِ وَالزَّبِيبِ وَلَمْ يَذْكُرِ الْبُسْرَ وَالتَّمْرَ
Translation
This hadith has been narrated through another chain of transmitters with a slight variation of words.