Source text
وَوُجُودُ حَيَوَانٍ مَيِّتٍ فِيهَا يُنَجِّسُهَا مِنْ يَوْمٍ وَلَيْلَةٍ
• If the time of death is unknown and the carcass has not swollen, the matn applies a precautionary period of one day and one night.
• The commentary identifies this as the position of Imam Abu Hanifah.
• Under this position, prayers performed after using that water for Wudu during the relevant period are repeated.