QuenchSea combines a hydraulic system, with triple pre-filtration and a small reverse osmosis membrane to desalinate water using human power only.
According to the QuenchSea company, this setup produces 1.5 liters (0.4 US gal) of drinkable water every five minutes. The device is simply reeled back up to the surface to access that water, which is reportedly up to 98% salt-free and has a TDS (total dissolved solids) rating of less...