Can someone answer my question please? - Bathing my snake.

[200xth]

Every time I took him out of the bath though, he slithered his way and got back inside it.

They will try to hide in water if there is nowhere else to hide. It's a sign of insecurity, not enjoyment of water.

BP's go in water for three reasons mostly:

Insecurity - Not enough hides or places to feel secure
Temps - Too hot
Mites - Relief from mites by drowning them