Sunan Abi Dawud 140
سنن أبي داود#140SahihAbu Hurairah reported:The Messenger of Allah (ﷺ) said: When any of you performs ablution, he should snuff up water in his nose and eject mucus
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (162) Sahih Muslim (141)
In-book reference: 1:140