Mix a 50/50 solution of white vinegar and warm water in a bucket.
Dip the mop in the vinegar and water solution, and wet the floor. Allow the water to sit for a minute to absorb the salt.
Mop up the water, and then thoroughly dry the floor with a towel. Make sure the floor is completely dry; otherwise, the water may damage the wood.
Make up a 50/50 vinegar and white water solution in the bucket, or use a bowl if the stain is small.
Vacuum the stained area to remove any loose salt debris.
Dampen the carpet with the vinegar solution, and allow it to soak in for 20 minutes.
Blot the area with a damp sponge.
Make up a 50/50 water and white vinegar solution in a bucket.
Wet the broom with the vinegar/water solution, and scrub the stained area thoroughly until you see the stain begin to lift.
Mop up the water, vinegar and the stain with a clean mop.
Rinse the area with clean water, then scrub over it again with the broom.