Any recommendations for painting ceramic tiles around tub?

I would like to paint the ceramic tiles around my tub (on the walls). I can't afford to tear it out and replace. I've seen several products on the market, such as Daich coatings (spreadstone). Any experience or recommendations of other products? I would like something easy to use and low odor if possible that doesn't take my bathroom out of commission for more than a few days.

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