Jami` at-Tirmidhi 18
جامع الترمذي#18Da'ifAbdullah bin Mas'ud narrated that :Allah's Messenger said: "Do not perform Istinja, with dung, nor with bones. For indeed it is provisions for your brothers among the Jinn
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniDaif
Zubair Ali ZaiSahih - Bukhari And Muslim
In-book reference: 1:18