This week, the Royal Life Saving Society published a
news article concerning the risk of drowning via suction entrapment in hot tubs.
The outlets of a swimming/spa pool are connected to a powerful circulation pumping system. If the outlets are blocked, whatever is causing the blockage will be exposed to the suction force of the circulation pumping system. The circulation pumps will be sucking on whatever is causing the blockage, causing a vacuum. At this point, it will be very difficult to rem...
