أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنِ ابْنِ شِهَابٍ، عَنْ أَنَسِ بْنِ مَالِكٍ، أَنَّهُ أَخْبَرَهُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنِ الدُّبَّاءِ وَالْمُزَفَّتِ أَنْ يُنْبَذَ فِيهِمَا ‏.‏

It was narrated from Anas bin Malik that: The Messenger of Allah [SAW] forbade soaking (fruits) in Ad-Dubba' (gourds) and Al-Muzaffat. Translation Not Available

Book Ref: Sunan An Nisai Book 51 Hadith 5629
Web Ref:  Sunan An Nisai Vol 6 Book 51 Hadith 5632