You should soak a BP when it has mites. It helps to remove the mites and relieve the irritation of mites. A drop of dawn in dish soap in warm water (water temperature in the mid 80"s) is best.
PAM kills the mites, soaking daily removes them there is much more to dealing with mites than PAM. You also should remove everything from the cage and clean it very well, and then replace with a minimalistic setup using paper towels as substrate.