Salt has long been known for it's protection... remember the 'throw salt over your shoulder' to avoid bad luck? There are a few different colours of salts and they all have different meanings. White salt: cleanliness and protection, purifies Black salt: protection, instil boundaries, banishing Pink salt: psychic protection and cleansing negative energy Red salt: love, romance, passion Blue salt: legal issues, healing Purple salt: intuition, clearing of negative energy Why you need salt in your home! Salt is an under rated, yet very powerful cleanser, used by many cultures around the world, if you sprinkle it along door entries, or windows and let it sit for a few days, it will draw in negative energy which you then sweep away.