737 - وَ سَأَلَ عَمَّارُ بْنُ مُوسَى اَلسَّابَاطِيُّ أَبَا عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ: عَنِ اَلْبَارِيَّةِ يُبَلُّ قَصَبُهَا بِمَاءٍ قَذِرٍ هَلْ تَجُوزُ اَلصَّلاَةُ عَلَيْهَا فَقَالَ «إِذَا جُفِّفَتْ فَلاَ بَأْسَ بِالصَّلاَةِ عَلَيْهَا.
Hadith.737 - Ammar ibn Musa al-Sabati asked Imam Jafar ibn Muhammad Al-Sadiq 
about a mat made of reeds that had been wetted with impure water, and whether it is permissible to pray on it.
Imam said: "If it has dried, then there is no harm in praying on it”.
