The ash, or gasang, is gathered into a large funnel-shaped bamboo filter.
More seawater is poured over the ash, allowing the water to leach the sea salt from the ashes and produce a brine. The brine, called tasik, is collected in hollowed-out coconut trunks placed beneath the funnels.
The brine, or tasik, is then poured into special clay pots and placed over a special furnace. The pots of tasik are allowed to slowly boil, continuously replenished by asinderos with more tasik as it evaporates.
Eventually the water evaporates entirely, and the pots become filled with just the remaining sea salt. Cracks are formed in the pots revealing the solidified mass of salt. Once cool enough to be handled, the asin tibuok are sold along with their broken pots.