Assalamu alaykum! I performed my obligatory ghusl and 4 -5 hours later I noticed little amount of dried mucus remained in my nostrils.I removed it and washed my nose with water and performed my salah.Was my ghusl valid or should I have repeated my ghusl?
Wa ʿAlaykum Salām Wa Raḥmatullāh wa Barakātuhu.
In the current scenario, your Ghusl was complete.
The Jurists have stated:
“That in which lies certainty, its status cannot be nullified on the basis of a mere doubt.”
Based on the above, the validity of your Ghusl remains, due to the certainty after having performed it, and it may be the case that the mucus may have only been produced and noticed within the 4-5 hours after your Ghusl; hence, this possibility does not have the power to nullify the certainty and validity of your Ghusl.