MARK3 Ultrasonic Bio-Enyzmatic Tablets 64/bxMARK3 Ultrasonic Bio Enzymatic Tablets are easy to use, microbial bio enzymatic tablets that create a fast and effective ultrasonic cleaning solution. With advanced biomass changing dynamics, this ultrasonic cleaner is capable of degrading a wide range of complex organics and soils that traditional protease enzymatic formulations cannot. Versatile, and can also be used for light cleaning around the office, or as a secondary evacuation cleaner.