Bubble Juice Solution (Quart) is ready to use. Do not dilute. Creates non-staining and non-toxic bubbles. Warning: Keep out of reach of children. Please Note: Bubble Solution can be used with either regular Bubble Machines or with the Bubble Fog Combo Machine (both machines sold separately) but will require Fog Juice (sold separately) to make fog filled bubbles with the Bubble Fog Combo machine.