Is there any way to get rid of etched in stains/calcium on a plastic sink?

Question

I tried vinegar and baking soda, and comet/lysol, etc. lemon juice- nothing works. am i stuck with those ugly stains in my bathroom sink? it's looks so bad!!

Answer 1

Use Clorox Bleach, it works on stubborn stain. Half a cup in a small pail of water. Splash it all over your sink and leave it for half an hour then just lightly scrub with warm water. It works with toilet bowl, floor and even those white tiles on your wall