Bubble King Bubble Machine.The CHAUVET Bubble King features 3 double wands, a manual bubble button, and extremely high output. When you need bubbles for a large area, or complete bubble coverage of an area, this is one effect that would make Lawrence Welk proud. It also works with certain Chauvet controls. Tank capacity 56 oz. Uses approximately 12oz per hour or will run approximately 4 hours on a full tank.