Himalayan pink salt is a pink-hued variety of salt that is sourced near the Himalaya mountains of South Asia. Himalayan salt is believed by many to be a better alternative to common table salt, or sodium chloride. Though mined like rock salt, Himalayan pink salt is technically a sea salt. The minerals this salt possesses are a big draw for fish especially around the spring period pre spawning as the fish actively seek out a saline mineral in there natural environment usually believed to be within clay..