A preliminary concentration of brine is usually accomplished by allowing the sea water to flow through wooden gates into the reservoir, and then to five shallow evaporating ponds separated by dikes.
通常在漲潮後一個小時，開啟水門，引進海水，在儲水池中儲存，這時海水的鹼度是三度波美（濃度的單位）。這些海水按照曬鹽的梯次時間，經由給水路和送水路途到鹽灘的大蒸發地，便開始進入曬鹽的流程。