Airbrush Color SP ReducerCleaner 120mlHobbynox SP Reducer Cleaner 120ml To be used with Hobbynox Airbrush Colors when a thinner viscosity is wanted needed. Generally added 10% per volume to paint. May be added in greater quantities to achieve best viscosity for atomization of paint. Paint has a 72 hour pot life after mixing with SP Reducer Cleaner. The best airbrush cleaner for Hobbynox Airbrush Colors especially when the colors are mixed with Hobbynox Intercoat Clear. Can replace