The Jets can be very intense and as they are not adjustable they can actually be painful. You want the very latest in design whereby the Jets provide a vigorous massage to loosen those tight knotted muscles and at the same time increase the blood and oxygen circulation which helps to bring nutrients to sore muscles and joints.
It is very amusing when you get some so called Jacuzzi (ג’קוזי) specialists talking about the number of jets in a spa pool without having even taken into account the strength of the pumps which are going to power those very Jets.
So these many jets simply do not have enough power to actually make these Jets perform properly, So for performance in a Jacuzzi (ג’קוזי) it is just not a simple question of the number of Jets but it does come down to things like engineering and design and the balance of the Jets with the correct motors and water pumps to produce the better all round product.
Usually the maker of Jacuzzi (ג’קוזי) here is clearly out to save some money on his production costs or perhaps it is a cheap eastern import. The manufacturer will use a standard or probably a mould from production hence the too many jets and to save money simply fits underpowered motors to drive the pumps.