Salt Scrub to clean cast iron. Here's the best way to clean cast iron: Scrub it with coarse salt and a soft sponge. The salt, a natural abrasive, absorbs oil and lifts away bits of food while preserving the pan's seasoning. Rinse away salt and wipe dry.
A Clean Front Loader: Once a month, add a cup of Distilled White Vinegar and a cup of baking soda during the HOT cleaning cycle. pour them directly into the drum. Then, add about ½ cup of vinegar and ½ cup of baking soda into the detergent dispenser.
55 Must-Read Cleaning Tips Tricks. Step by step instructions to clean and re-season cast iron. This could be an old wives tale but my grandmother said cast iron skillets transfer iron to your food! Perk for those who have low iron.