Fresh Water was collected from Rain with canvas awnings.
We always washed our clothes in sea water, and showered in sea water.
Indeed on the Queen Mary and other ships the bathrooms had Salt water taps in the sinks and bath. The taps and signs are still there in the bathrooms but there is a fresh water in them from shoreside in Long Beach.
When she carried 18,000 troops from the States to UK in WW2, plus 1000 crew, she could not possibly carry fresh water for them.
regarding food, on the London Greek tramps, we had no fresh food, no fridges, just on our Pound and Pint, measured out on scales by the "Chief Steward" with his thumb on the scales.
We got fresh meat once, 12 Goats on the hoof in India, up the gangway and built pens on the after deck. the galley Boy and the Cook killed them as required, hung them over a 40 gallon drum from the awning spars, to bleed and gut them,
Water rationed, the Mate had a lock on the hand pump so only able to pump up fresh water for an hour a day.
Most ships then were down by the head with cockroaches, in the food as well, good fresh meat, A cockie has more protein in it weight for weight than a beef steak.
Even on the EMPRESS OF FRANCE, when frozen in, in the St Laurence one year, so cold the ice was inside the cabin bulkheads on the outboard side, The bathrooms were frozen and the toilets were frozen, had to have a bowel movement in a cardboard box then throw it on the ice, fortunately only for a couple of days.
I have come home a few times like a skeleton, Mother didn't recognise me.
They don't know they are born today,
So I guess the Sailors with Cook it was similar.
Brian.