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How to Remove Scratches from a Cast Iron Sink or Tub

To keep our cast iron fixtures looking new, I have a never-fail formula to clean and remove all those scuffs and scratches! Here’s how I clean our cast iron sinks and bathtubs.

How to Clean a Cast Iron Sink or Tub

How to Clean Cast Iron Sinks and Bathtubs

While I was helping my client get her house ready to sell she said they were committed to replacing the cast iron bathtub in their boys’ bathroom because it was scratched and stained. I told her to hold off because I knew How to Clean Cast Iron Sinks and Bathtubs to look new again.

I use this same technique on our own cast iron sink every few weeks when the scuffs and scratches get noticeable. And if we get any scratches in our bathtub I clean it the exact same way.

How to Clean a Cast Iron Sink or Tub | Pretty Handy Girl

Let’s get started and turn back time on your dirty, dingy, scratched cast iron sink or tub. It will look new when we are done. Promise!

Materials:

(I’ve included affiliate links for your convenience. I earn a small percentage from a purchase using these links. There is no additional cost to you. You can read more about affiliate links here.)

How to Clean a Cast Iron Sink or Tub | Pretty Handy Girl

How to Clean a Cast Iron Sink or Tub Instructions:

For your convenience, I made a video to show you exactly how I clean our sink. Feel free to watch the video or keep reading.

Rinse any food debris out of the sink. Next, sprinkle baking soda liberally in the sink and on a scrubber sponge. (If your sink is really dirty you can add a drop of dish detergent onto the sponge.)

How to Clean a Cast Iron Sink or Tub | Pretty Handy Girl

Scrub the sink using a little muscle. Pour vinegar onto your sponge and in the sink. Use the sponge to wipe and clean the baking soda out of the sink. Rinse the sink with water.

How to Clean a Cast Iron Sink or Tub | Pretty Handy Girl

Your cast iron sink (or tub) should be clean now, but you might still have some scratches and marks on the surface. That’s okay, because it’s time to break out the Kohler Cast Iron Sink Cleaner. This is a miracle in a bottle!

How to Clean a Cast Iron Sink or Tub | Pretty Handy Girl

This is the cleaner recommended by our kitchen designer. Honestly, if I didn’t know about this cleaner, I would have been disappointed with our farmhouse sink a long time ago because it does get a fair amount of scratches from cast iron pots and pans. (Want to know if I’d buy a farmhouse sink again? I’ll answer that and tell you what no one tells you about owning a farmhouse sink in this post.)

How to Clean a Cast Iron Sink or Tub | Pretty Handy Girl

Pour a small amount directly onto marks and discolorations. Use a clean dry paper towel to buff the cleanser into the scratches.

How to Clean a Cast Iron Sink or Tub | Pretty Handy Girl

Rinse the sink with water and look…the marks disappeared! If you look closely you can see that the scratches are still in the sink, but they visually disappear.

How to Clean a Cast Iron Sink or Tub | Pretty Handy Girl

Remember those marks before:

How to Clean a Cast Iron Sink or Tub | Pretty Handy Girl

And after:

How to Clean a Cast Iron Sink or Tub | Pretty Handy Girl

Hope this cleaning method helps prevent you from ripping out a perfectly good cast iron sink or tub! Keeping them looking great is as simple as knowing How to Clean Cast Iron Sinks and Bathtubs to look new again. Be sure to share this post with a friend. 😉

How to Clean a Cast Iron Sink or Tub

You might also want to read this post on What No One Will Tell You about Farmhouse Sinks.

What No One Tells You About Farmhouse Sinks | Pretty Handy Girl

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