I have a whole system I use, clean out the substrate with a vacuum, wipe out any dust with a wet rag,steam clean, spray with F10sc XD detergent, scrub with a stiff brush, steam clean and rinse out detergent. Then I spray with F10sc and wait the 20 min contact time and wipe it dry. Each enclosure takes me about 30-45 min the rack and all the tubs takes 4.5 hours.
Not steril but close. I usually do all every month or two.