As far as washing is concerned, my salon has separate sponges and towels for dogs with bad skin.
As far as blades, combs, brushes, tabletops though... I typically use a coolant or spray disinfectant on my stuff after doing a dog with bad skin. For the table i use either dilute bleach spray or some sort of pet disinfectant (parvosol or something similar?) sold by the typical catalogs..
Barbricide is not an option for me because i carry all of my stuff back and forth (the salon i work at provides the sprays).
What do you folks typically do? What have you learned NOT to do? What rusts blades, etc...