Jiminy
Contributor
Swim them up from what depth? There are other factors involved
The Ups and Downs of Buoyancy Control — DAN | Divers Alert Network — Medical Dive Articlea diver who is wearing a 7 mm full wetsuit with attached hood who requires 22 pounds/10 kilograms of weight to be neutrally buoyant on the surface. If we assume that the wetsuit is providing the 22 pounds/10 kilograms of lift at the surface, then, at 130 feet/40 meters, the wetsuit will only provide 4.4 pounds/2 kilograms of lift (one fifth of the surface lift). This means that, ignoring all other factors, the diver will be 17.6 pounds/8 kilograms negatively buoyant at 130 feet/40 meters