There is no need to add other disinfectants; just turning the knob on will work.
7.What kind of certifications does the CuisineClean have? The CuisineClean is ETL certified in the USA.
8.Why does the unit have an ozone destruct filter?
The ozone destruct filter is meant to remove ozone that outgases during the washing process and passes through the ventilation holes in the lid. This is done by using activated carbon.