How did old sailors get fresh water?
How did old sailors get fresh water? They carried as much water as they could, in barrels and casks. When it rained hard, they caught rain water. There are many accounts of ships that ran out of water, or had to cut back to very small amounts, for days or weeks, until they reached land where water was available, or it rained hard enough to catch water.
How did the Titanic get fresh water?
In Titanic's case she had evaporators that turned seawater into fresh water suitable for the boilers - in fact distilled water, as any salts or other compounds or gases such as carbon dioxide and air can cause corrosion in the steam system.
Do cruise ships make their own fresh water?
All drinking water on a cruise ship has either been distilled from seawater or loaded on board while the ship was still in port. The U.S. Public Health Service has published Vessel Sanitation Program standards that cruise ships are expected to adhere to.