Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:6739Abū ʿAbdullāh al-Ḥāfiẓ And ʾAbū Saʿīd b. Abū ʿAmr > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > al-Rabīʿ b. Sulaymān > ʿAbdullāh b. Wahb > Sulaymān b. Bilāl > Jaʿfar b. Muḥammad from my father

[Machine] That pouring water on the grave was during the time of Prophet Muhammad ﷺ .  

البيهقي:٦٧٣٩أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ وَأَبُو سَعِيدِ بْنُ أَبِي عَمْرٍو قَالَا ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ أنبأ الرَّبِيعُ بْنُ سُلَيْمَانَ ثنا عَبْدُ اللهِ بْنُ وَهْبٍ أَخْبَرَنِي سُلَيْمَانُ بْنُ بِلَالٍ عَنْ جَعْفَرِ بْنِ مُحَمَّدٍ عَنْ أَبِي

أَنَّ الرَّشَّ عَلَى الْقَبْرِ كَانَ عَلَى عَهْدِ رَسُولِ اللهِ ﷺ