Brininess, Essence of Sodium Chloride
This page is the CodyCross answer for the clue below from Pet Shop, Group 355, Puzzle 4 (Hygrometers).
Question is: Brininess, Essence of Sodium Chloride
and the answer is: SALTINESS
Word Meaning:
SALTINESS — The property of being, or tasting, salty.
Definitions from Wiktionary.