Place the granite on a flat work surface. … Wet the edge with water. … Attach the polishing pads to the grinder. … Start Polishing With Grit 50. … Move the grinder from left to right. … Wipe down with water as you go. … Move to Polishing With Grit 100. … Continue this process of switching grit pads.

How do you smooth rough granite?

Use diamond polishing pads to give rough granite a smooth finish. You should only use diamond polishing pads to try to polish granite. Get as many different grit gradients as you can and do not jump prematurely to the finer grit pads.

How do you fix gritty granite?

ANSWER: Grit on granite countertops is usually due to a low-grade / poor quality slab that cannot be fully polished. All the mineral grains of the granite will continue to flake off. Your options are to replace the countertop or apply a permanent topical coating to bind the granite surface.