Ubayy b. Ka'b said that “Water is necessary only when there is an emission” was a licence granted in the early days of Islam, but that afterwards it was renounced.
Tirmidhi, Abu Dawud and Darimi transmitted it.
‘Ali reported that a man came to the Prophet (ﷺ) and said, “I washed because of sexual defilement, then prayed the dawn prayer but noticed a spot about the size of a nail which had not been touched by the water.” God’s m…
وَعَن عبد الله بن عمر قَالَ كَانَتِ الصَّلَاةُ خَمْسِينَ وَالْغُسْلُ مِنَ الْجَنَابَةِ سبع مرار وَغسل الْبَوْل من الثَّوْب سبع مرار فَلَمْ يَزَلْ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يُسْأَلُ حَتَّى جعلت الصَّلَاة خمْسا وَالْغسْل من الْجَنَابَة مرّة وَغسل الْبَوْل من الثَّوْب مرّة. رَوَاهُ أَبُو دَاوُد
Ibn ‘Umar said that the original requirement was fifty times of prayer, seven washings to remove sexual defilement, and seven washings when urine fell on a garment. God’s messenger therefore kept on making requests till…