´It was narrated that Abu Dharr said:` "The Messenger of Allah (ﷺ) said: 'Clean earth is the Wudu' of the Muslim, even if he does not find water for ten years.'"
Hadith ReferenceSunan an-Nasa'i / Mention When Ghusal (A Purifying Bath) Is Obligatory And When It Is Not / Hadith: 323