I recently had a granite countertop put in. How do you care for your granite countertop?

Warm water and whatever soap you use to wash the dishes. All those fancy cleaners are a waste of money. I've fabricated stone now for 3 years and soap and water works fine. Natural stone wants to absorb liquid that's why you should put a sealer on it once a year to prevent that abortion. And all you do is spray on the sealer and let it sit and absorb over night. Than wash it off in 24 hours. A $40 bottle will last you longer than you'll probably own your home!