You should avoid using acid based cleaners lemon orange vinegar.
Acid stain granite countertop.
The acid has reacted with the granite and etched the surface very slightly.
These materials can leave a brownish pink stain on your granite countertops that is quite ugly but is really easy to remove using a few simple steps 1 take a cotton pad and saturate it with some hydrogen peroxide.
The only and i mean only stones that might be sensitive to acids like vinegar or citrus would be calcium based stones limestone travertine and many marbles.
Two paths could be taken first check granite and marble suppliers to see if they offer supplies or a service to polish.
Most stains can be handled with a warm soapy water rinse if a heavier stain does occur like an oil stain angie s list cleaning expert amanda bell suggests applying a baking soda paste which draws out the oil covering with plastic wrap then letting it sit overnight.
For kitchen countertops granite is the surface leader by a long shot over other types of stone.
Granite is a relatively durable natural stone especially when sealed.
Regardless of the type of granite or seal what doesn t vary is what you should not be cleaning your granite countertops with.
Even a completely sealed granite countertop can stain if a spill is left to sit for long enough.
It is quite possible that the damage is minor but the most reasonable method of restoring the surface is by polishing.