BTW Its Scale Rot ( A bacterial infection that eats away at the scales, essentially eating the flesh away from the snake, caused by excess moisture and bad husbandry)
This whole situation is just messed up.

He is continuing to soak her. But HELLOO! That maybe would have done something when she had one scale infected. Not now, when 3/4 of her body has it! For gosh sakes! You can't sit around and watch her freakin die!