Sunan Ibn Majah 404
سنن ابن ماجه#404SahihIt was narrated from 'Ali that:The Messenger of Allah performed ablution and he rinsed his mouth three times, and sniffed water up into his nose three times from one handful
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiSahih
In-book reference: 1:138