The steps for making edible salt are natura, sun-drying mud, making brine, sun-drying salt, and collecting salt.
1, Na Tide
Sea water is the main raw material for salt production. Whenever the sea water rises, it floods the whole salt field. When the seawater recedes, the soil is soaked with seawater and sucked full of salt. Pools dug by salt workers in the salt fields would be filled with seawater.
2. Sun-drying the mud
One or two days after the tide goes out, the salt workers use two kinds of wooden rakes with short and long teeth to turn up the mud in the salt fields as if loosening the soil in the fields, and then expose the mud to the sun, so that the water in the mud evaporates quickly.
3, making brine
Salt workers will be sun-dried soil paved with gabions and thatched filter pool, and then the filter pool of salt mud pile rake flat, tamping, and then constantly pouring seawater to the filter pool, soaked in salt water in the salt mud, will slowly penetrate into the filter pool through the cracks in the stone into the brine pool. After a whole night, seawater magnificently transformed into brine.
4, sun salt
Sun salt before, generally also need to use the "yellow fish Z" test brine concentration, when the truncated "yellow fish Z" rhizomes floating in the brine above, indicating that the brine has reached a sufficient concentration of salt can be sun salt. Salt workers in the morning will slowly pour the brine in the already washed and dried salt tanks, salt tanks in the sun evaporation of brine, wait until the evening, salt tanks in the brine has crystallized into salt.
5, salt collection
Evening salt workers use the scraper key salt trough salt scraped down, piled up into a small white mountain. Until all the salt troughs are swept into the frame. At this time to retrieve the salt is wet, to be placed here natural ventilation to dry. The sun-ripened salt bar is uniformly granular, medium-sized, and free of impurities.
Reference for the above: Baidu Encyclopedia-Salt Making