My little kiddo was swinging from the fountain pipe in the spa today and now it is loose tipping from side to side. I tried to unscrew it from the bottom of the spa, but something seems to be holding it. The theads of the pipe seem loose, but the pipe will not turn. What is the normal method of construction for this? I can drain the spa and get in there with a wrench and unscrew, but I don't wan to break anything worse or cause a leak.