a glass left a ring on the countertop. I saw on another question you wrote “polish and seal.” what do you recommend to polish the countertop? any other recs to remove this?

If a glass left a ring on your countertop, this is likely a water or mineral deposit mark. Here’s how you can address it: To Remove the ring mark, a mild cleaning first: Use a soft cloth with warm water and a few drops of mild dish soap. Gently wipe the area, then dry with a clean microfiber cloth. Here is also a cleaning kit that we recommend for our vanities. Dupont bullet proof sealer Dupont revitalizer (cleaner and protector) TeEtch Scratch remover You should be able to find this kit in any big box stores.