“To clean rust off a Blackstone griddle, heat the surface to loosen debris, scrape off the rust, and dissolve any remaining spots using a 50/50 water and vinegar mixture. Afterward, scrub the metal clean, wipe it dry, and immediately re-season it with oil to prevent the rust from returning. Or 1. Scrape and HeatTurn the griddle to high heat for about 15-20 minutes to loosen baked-on debris and rust.Turn the heat off.While wearing heat-resistant gloves, use a metal spatula or bench scraper to scrape away all the loose rust and gunk, pushing the residue into the grease trap.” I’d recommend a pumice stone. ** Edited by Stork at 6/3/2026, 11:52:50 AM