Loading... Please wait...Use in the air or on surfaces for instant results. Odorstop allows the bacteria or microbes causing the smell to change their nature and become aerobic so they can convert the offending product into safe , no smell end products which nature can use. It is available in Regular for general use and Heavyduty for stronger and larger applications. Odorstop may be used in the air , on surfaces or fabrics and in solution.