Autotrol water system 155 Water Level//water taste,odor

The water from my softener tastes and has the odor of iron. I checked the brine tank and it was nearly empty of salt and had an inch or 2 of water in the tank . I cleaned out the tank and found some salt that was as hard as, and felt like glass. I also removed the well and pump from the brine tank and cleaned these as well. I also removed the injector, screen and air check and cleaned these. I called a local water co. to ask how much to refill the tank of water and salt. They said 80lbs of salt and 6 gallons of water. In this I added a cup of iron out dissolved in one of the gallons. I have regenerated the system 3 times. After the first regeneration the water level was 2" or 3" above the salt. I added another 40lbs of salt thinking this would take care of the water level, but to no avail. After the second regen the level remained the same. At this point I sucked out approximately 2 gallons of water with a wet vac. After the third regen the water level remains the same. Our household has 5 people and the regen is set at 14lbs.

Please, what is the next step?

Thank you.