Brimstone and salt
In Deuteronomy 29:33, this signifies the vastation of good and truth, for these destroy the earth and its produce as lusts destroy goods and falsities destroy truths. (Arcana Coelestia 1666)
Arcana Coelestia #5640
5640. 'And he said to the one who was over his house' means that which belongs to the external Church. This is clear from the representation of 'the one who was over the house' as the external Church, when 'the one who is in the house' is the internal Church, dealt with in 1795. And since no attention is paid in the internal sense to the person, only to the spiritual reality, 5225, 5287, 5434, 'the one who was over the house' means that which belongs to the external Church.