ANSWER: BISSELL does not advise using the Formulas for Full Size Deep Cleaners in BISSELL Portable Deep Cleaners. These products are specially formulated for use in Full-Sized Deep Cleaners. Little Green Portable Deep Cleaners, the SpotLifter, and the SpotLifter PowerBrush require the Little Green or Little Green Pet Formula.For more information, please contact a BISSELL Consumer Services Representative by calling 1800 811 183 or australiacustomerservice@bissell.com.