Softub 140 Manuel De L'utilisateur page 11

Hint: Make sure the tightening nut is on top.
Hint: start with the air hose (smallest) first.
Hint: Make sure not to over tighten-just make them snug-
you can always tighten more if the hose begins to leak while filling.
Hint: The
tub can not be moved when full of water.