he accepted Islam and the Prophet ordered him to perform Ghusl with water and Sidr.
Jami` at-Tirmidhi Book 6, Hadith 62
← Previous Hadith "The Prophet prayed Maghrib in the Masjid of Banu Abdul-Ashbal, and some people stood to offer voluntary prayers, so the Prophet said: 'This Salat is to be performed by you in your homes.'"

Jami` at-Tirmidhi Book 6, Hadith 61 Next Hadith → the Messenger of Allah said: "The screen between the eyes of the jinns and nakedness of the children of Adam when one of you enters the area of relieving oneself is saying: 'Bismillah.'"

Jami` at-Tirmidhi Book 6, Hadith 63