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| A five gallon, food-safe, official water-harvester |
Pretty simple: Take some seawater, boil it, and collect the solids.
It's really almost that easy, however reducing water to collect what is, by weight, essentially four percent of the contents requires patience, a few specialized pieces of equipment (although not necessary, as a big pot will do) and ENERGY.
You are essentially boiling away five gallons of water. If you have ever made stock, boiling away water is tough. We use a 22 quart hotel pan that spans two burners to accelerate the process. Cost me $25 I think.
