How To Protect A Glass Top Stove From Cast Iron 9 Steps

If you don’t clean off the black marks, they can smear and stain your glass top stove.

Look online or in a home goods store for replacement pots and pans.

Dragging or sliding the cast iron could lead to unwanted scratches. While you can use heavy cookware on the top stove, be sure not to drop the pot or pan onto the glass.

For instance, a 12 in (30 cm) wide pan shouldn’t go on a glass top stove burner that’s only 10 in (25 cm) wide.

Heat diffusers help to control the amount of heat that goes from your stove top to the pot or pan.

Heat diffusers help minimize any scratches or other damage from your cast iron cookware. [8] X Research source