Abu Dawud Book 3, Hadith Number 1677.Abu Dawud Book 3. Zakat Chapter : Not known. Narated By Sa’d ibn Ubadah : Sa’d asked: Apostle of Allah, Umm Sa’d has died; what form of sadaqah is best? He replied: Water (is best). He dug a well and said: It is for Umm Sa’d. Related Previous Post Abu Dawud Book 3, Hadith Number 1678. Next Post Abu Dawud Book 3, Hadith Number 1674.