[Machine] On the authority of the Prophet ﷺ , he used to "refrain from urinating in standing water and would command his companions to do the same." Mu'adh said, "Indeed, most of the punishment of the grave is due to urine." And Ibn Abi Maryam said, quoting from the Hadith of Abdullah ibn Hurayth,  

عَنِ النَّبِيِّ ﷺ أَنَّهُ «كَانَ يَسْتَنْزِهُ مِنَ الْبَوْلِ وَيَأْمُرُ أَصْحَابَهُ بِذَلِكَ» قَالَ مُعَاذٌ «إِنَّ عَامَّةَ عَذَابِ الْقَبْرِ مِنَ الْبَوْلِ» وَقَالَ ابْنُ أَبِي مَرْيَمَ عَنْ حَدِيثِ عَبْدِ اللهِ بْنِ حُرَيْثٍ