Agreed. Do several large water changes. You may have to do back to back. Make sure to get the salt crystals as many as you can. Salt in your Cichlid tank isn't the end of the world as you get some of it out. I had a columnaris outbreak and you wouldn't believe the amount of salt I used.
"When creating an aqua scape, strive for the beauty of imperfection, as its art and there is no wrong or right, it's left open for interpretation" James Findley