On my trip to east Bali, I visited this lady in her "hut " just by the beach of Kusamba. It is not actually where she stays, but it is where she makes salt everyday.
When I got to her place, she was walking by the beach with the water containers. She does that every day, she told me later. She took two buckets of water from the sea and then carried it to a designated area pf the sand close to her hut.
She began sprinkling the water little by little by swinging the buckets forward and backward while walking backward. When the sea water is up, she would go to the sea and take two more buckets of water. She walked back and forth at least for 40 times.
The sun will dry up the sand where she sprinkled the water for 40 times. Then she will take the dried sand put it in a container inside her hut. This container was placed in high place. Then she would pour some more sea water to the sand. The container had pipe in one side that the water would pass the sand carrying the concentrated salt from the sand.
Then she took this water outside to drying place. This water had concentrated salt dissolved in it. After drying for a day, the water would evaporate and the salt remain on the drying place. That's how she made the salt.
She sold mostly to local people. Some tourist also come to visit her hut just to learn how the process of salt being made. Some time they also purchase the salt. For a quarter of kilogram she sell for about USD 80 cent.
I bought two packets mainly because she was very kind showing me the process of salt making. Now you know where the salt you consume everyday come from. It's from this lady. Or other ladies who make salt for living.