´It was narrated that Anas bin Malik said:` "The Messenger of Allah used to perform ablution for every prayer, and we used to perform all of the prayers with one ablution."
Hadith ReferenceSunan Ibn Majah / The Book of Purification and its Sunnah / Hadith: 509
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح بخاري