But then the harmless stains collecting in your pan would become rust. This strong metal substance shows off this power through the appearance of this mysterious, colorful film in your pans.Ĭhromium could be omitted from the stainless steel recipe. This produces the rainbow film, which chefs call a “heat tint”.Ĭhromium is used precisely because it prevents rust or corrosion. The answer to stainless steel pan discoloration is simple: science! Normal chemical reactions occur when oxygen, heat, and chromium, a common ingredient in stainless steel, combine.Ĭhefs call this rainbow film “heat tint.” It is completely natural for your stainless steel pan’s chromium layer to thicken. These look wrong and scary, but it is a totally normal and preventable phenomenon. The rainbow-colored, oil slick-esque drips and rings can easily appear in the shallow bottom of your pan. Pitting is one of the more harmful discolorations possible in stainless steel. Pitting is frequently the precursor to rust. These pits are irreversible and will gradually eat through the pans. Pitting is often caused by boiling salted water in your stainless steel cookware. Pitting in your stainless steel pans is the corrosion of the surface. Leaving residue behind will affect the flavor of future meals you prepare in your stainless steel pan. While food residue may not be directly harmful, it should be removed. Knowing a few basics on how to cook with stainless steel is important to prevent black, sticky build-up. The proper amount of oil is crucial when using a stainless steel pan. In fact, even more so than other cookware materials like non-stick or surfaces coated with enamel. It is common for food residue to collect in a stainless steel pan. However, the residue will not affect the food. These white deposits on your cookware are unsightly. Like many of the types of discoloration on this list, calcium build-up is not harmful. This residue is stubborn to remove, but not impossible. If your water has high levels of calcium, white deposits may remain in your stainless steel pans. Many of these are from the natural side effects of cooking. Like many of our prized pans, stainless steel perfection doesn’t last.Ī few different cooking situations can cause stainless steel pan discoloration. While not dangerous to your kitchenware or those eating your food, discoloration on stainless steel pans is unpleasant. Remove White Spots and Calcium Build-up.How to Fix Stainless Steel Pan Discoloration.Avoid Frequent High-Temperature Cooking.How to Prevent Stainless Steel Pan Discoloration.
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