Hadith 2170
Marwan bin Al-Hakam asked Sayyiduna Abu Sa'id Al-Khudri, may Allah be pleased with him: Did you hear the Messenger of Allah, peace and blessings be upon him, forbidding blowing into water? He replied: Yes, (I heard it).
Hadith 2171
It is narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that the Noble Prophet (peace and blessings be upon him) forbade blowing into a drink.