Sunan an-Nasa'i 89
سنن النسائي#89SahihIt was narrated from Salamah bin Qais that the Messenger of Allah (ﷺ) said:"When you perform Wudu', sniff water in your nose and blow it out, and when you use small stones (to remove filth), then make it off (numbered)
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 ZaiIsnaad Sahih
In-book reference: 1:89