The pool or system was not started up properly. Those white deposits are most likely calcium carbonate. How long ago did this happen? What type of finish ~ plaster, vinyl, fiberglass?
Ken
remove the salt
My experience is that the stains will go away by themselves, through the effects of the chlorination of the water. Does not matter if the pool is a salt pool or fresh water pool. If the pool has a plaster finish, brushing the stains with a wire pool brush will speed up the process.
Remove the salt chlorinatorand stop adding salt, then revert to your prefered method. Ozone is becoming very popular now.
Remove some of the water and refill it with fresh water.
Yes, salt can evaporate with pool water. As pool water evaporates, the salt content remains in the pool. When the water evaporates, the salt will be left behind and may accumulate in the pool. Regular testing and monitoring of the pool water chemistry is important to maintain the proper salt levels.
Scrub it down with fresh water and a stiff broom or brush
simply buy the required amount of salt for the pool from a pool shop or other salt supplier and and toss it in the water.
First, find out what the stains are. Iron staining? Stain from using Morton System Saver salt pellets? Algae? Your pool service man should be able to tell you. Then take the appropriate action to remove - ask your local pool shop or pool service person.
it's easy, you just dry it out in a pool. ( that's how the old greek did it and its still used)
at the pool shop
Simply put any pool can be a salt water pool, even an above ground pool.
Add salt