There are a variety of ways to clean your granite sink, from vinegar to mineral oil. The key is to be gentle and not to use harsh products on the stone. If you do want to polish the granite, it is important to use a soft cloth, and apply mineral oil in a circular motion.
Hard water is one of the main culprits behind stains on granite sinks. The high mineral content in this water can leave mineral deposits on the surface. These deposits will diminish the overall appearance of your sink. To remove these deposits, you need to clean the sink using the steps outlined below. First, wet the scrubbing side of a sponge with hot water and a mild dish soap. Scrub the sink using this paste.

Another natural method to clean granite sinks is by using baking soda. The baking soda will remove limescale, and it is also safe to use. You can also use vinegar and baking soda. This is especially helpful if your sink is dark and prone to limescale. Once you've cleaned the sink, dry it thoroughly. Lastly, if you want to make your granite sink last longer, you can use a sealant to protect it from excessive dirt and grease.
Rinse your granite sink thoroughly after each use. This prevents food from drying out on the surface and prevents mineral deposits from forming. It also helps protect your sink from the minerals in tap water. Use a microfiber towel to wipe the surface dry after use.

