Sunan Ibn Majah 448
سنن ابن ماجه#448SahihAsim bin Laqit bin Saabirah narrated that his father said:"The Messenger of Allah said: perform ablution properly and let the water run between your fingers
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: 1:182