Ashtangasamgraha 12.30

12.30

vipāke svādu sāmudraṃ guru śleṣmavivardhanam |

satiktakaṭukakṣāraṃ tīkṣṇamutkledi caudbhidam ||

durnāmabhirudāvartairannairvāntropalepibhiḥ ||

yathā nirindhano vahniralpo vātīndhanāvṛtaḥ ||

kuryāccaturthe nasyādīn muñcedevāhni pañcame ||

Sea salt is sweet in post-digestive effect, heavy, and increasing śleṣman; / fossil salt is slightly bitter, pungent, alkaline, sharp, and moistening.
Through piles, reverse movements of vāta, or foods that coat the intestines.
Just as a small fire without fuel, or enveloped by wind and fuel,
he should perform nasal medications and the like on the fourth day, and release [the treatment] on the fifth day.