Paradise Spa Vac Handheld Hot Tub VacuumDetailed Product Description The Paradise Spa Vac is easy to use and doesn't require any batteries, pumping or water hook ups to work. It works great with all inground and above ground hot tubs and can even be used in small pools, ponds and much more! Start by pressing your finger over the air hole at the top of the vacuum when it is out of the water, then, place the vacuum into the spa over the area that needs cleaning and then release your finger.