It is narrated from Sayyiduna Laqeet bin Sabrah (may Allah be pleased with him), he says: "O Messenger of Allah! Tell me about ablution (wudu)." The Prophet (peace and blessings be upon him) said: "When you perform ablution, do it thoroughly, pass your fingers between the fingers (of your hands and feet), and when you rinse your nose, do so thoroughly, unless you are fasting."
Hadith Takhrij«اسناده صحيح ۔ أخرجه ابوداود: 2366، والترمذي: 788، وابن ماجه: 407، و النسائي: 1/ 66 ، (انظر مسند أحمد ترقيم الرسالة: 16384 ترقیم بيت الأفكار الدولية: 16497»
Brief Explanation
Benefits: … By forcefully sniffing water into the nose, sometimes drops of water reach the throat; for this reason, the fasting person has been prohibited from exaggerating in this matter.