Vinegar (spray bottle)
Paper Towels or Rag
Spray entire sink down with vinegar.
Sprinkle baking soda over entire sink.
Let sit for 10 minutes.
Boil hot water while letting vinegar/baking soda sit.
Rinse sink with boiling water.
Spray some more vinegar onto sink and scrub away.
Once you have scrubbed every nook and cranny of your sink wipe it down with a paper towel.
Then spray some goo gone in the sink and wipe down the sink.
After that put a little bit of olive oil onto a paper towel and wipe your sink.