Sunan an-Nasa'i 229
سنن النسائي#229Sahihأَخْبَرَنَا سُوَيْدُ بْنُ نَصْرٍ، قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنْ عَبْدِ اللَّهِ بْنِ جَبْرٍ، قَالَ سَمِعْتُ أَنَسَ بْنَ مَالِكٍ، يَقُولُ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَتَوَضَّأُ بِمَكُّوكٍ وَيَغْتَسِلُ بِخَمْسَةِ مَكَاكِيَّ .
It was narrated that 'Abdullah bin Jabr said:"I heard Anas bin Malik say: 'The Messenger of Allah (ﷺ) used to perform Wudu' with a Makkuk and Ghusl with five Makkuks
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 1:230