Sunan Ibn Majah 426
سنن ابن ماجه#426SahihIt was narrated that Ibn 'Abbas said:"The Messenger of Allah commanded us to perform ablution properly
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
Shuaib Al ArnautSahih
Zubair Ali ZaiIsnaad Hasan
In-book reference: 1:160