I understood that marble wasn't the most practical material to choose from when I first started thinking about remodeling my master bathroom. However, I went ahead anyway, knowing that there would be a little more maintenance required because it was exactly the look I wanted. Despite the fact that marble tiles demand extra maintenance, I adore them and am pleased with my selections. Therefore, let me address some concerns for you based on my personal experience if you're considering using marble tiles but are concerned about cleaning, staining, etching, etc. One thing to note is that the countertops in my master bathroom are quartz, not marble. Quartz was a more practical choice for me than marble because I anticipated more makeup spills, heat styling tools, toothpaste blobs, etc., on the countertops. I have marble tile on my flooring, shower walls, and shower floors, and I've had them there for a little over two years. The marble shower walls and floors in my downstairs bathroom have been there for just over six years. 
The marble that has been polished has a surface that gleams like glass. For kitchen and bathroom surfaces, polished marble is frequently utilized because of its highly traditional, ageless appearance. As opposed to polished marble, which is reflective, honed marble has a matte appearance. Because the surface of honed marble is already dull, scratches and etches are less noticeable. Additionally, because it is inherently less slippery, it makes for a better flooring option. I have experience with both because I have polished marble in my downstairs bathroom and honed marble in my upstairs bathroom. Marble does indeed stain. Because marble is so porous, spills can easily penetrate the surface and sink far down into the stone. Make cautious about sealing any natural material after installation. Even though sealing doesn't stop stains from occurring, it does slow the absorption, giving you more time to clean up before a stain happens. I am delighted to report that neither of my bathrooms has any stains, which is a blessing. We haven't had any issues with stains on the floors or in the shower, despite the fact that I spilled makeup and my dog had an accident. That equates to two years of consistent use in the upstairs bathroom and six years of infrequent use in the lower level bathroom. 
Indeed, marble may etch since it is a soft stone. A stain and an etch are not the same thing. Etching happens when an acidic substance interacts with the stone and essentially eats away at its surface. This will be easier to see if your marble is polished because an etch mark looks dull. The stone restoration business I recently contracted with to clean the marble claims that my marble bathroom floor does have a few etch marks. Are you able to see them? Yes, I don't either. So happy I decided on polished marble tile... Marble etching can be repaired using one of two methods. The first is to get it polished. Buffing is similar to sanding the top layer down to reveal a new layer—like it's starting over! Using honed marble is the other approach to reduce etching. Is marble easy to chip or scratch? Marble can scratch or chip because it is a soft stone. Unfortunately, I've done both. I have dropped my hairdryer a few times and a styling wand. On all but one of the events, I avoided getting chipped. This is the nick my hairdryer made. Fortunately, as you can see, it blends in with some of the other marble's inherent flaws. My marble tile's biggest issue is a series of scratches I got when the felt pad on one chair leg broke, and I failed to notice it. I pulled my chair in and out of my makeup vanity, scratching the marble as I did so. 
I'm sorry, but I can't get these scratches fixed. Although superficial scuffs can be removed by buffing, in my case, the marble sort of cracked deeper into the stone. Nearly all tiles in a bathroom, especially those near a shower, will exhibit water spots to some extent (depending on how hard your water is). I have polished marble on the lower level and honed marble on the upper level, and I can definitely say that the latter exhibits fewer water spots. But in all honesty, I have to really look to see water stains in either bathroom because the marble makes them hard to see. I don't have particularly hard water, you'll note. To prevent scratches, marble should ideally be kept clean and clear of debris. I regularly sweep the floors using my cordless Dyson vacuum with a soft dusting head. I spray and wipe the floors with Aqua Mix Aquashield Cleaner and Resealer to clean them. Every day, the shower is washed with soap and water since, well, it's a shower! But to remove any mildew or mold that builds around the caulking on a weekly basis, I use Stonetech Mold and Mildew Stain Remover. 
It IS REQUIRED that any chemical used around marble be safe for natural stone. Check twice to be sure that any cleaning you use is permitted for use on marble because many cleaners include acid, which can damage the marble. Yes, but isn't cleaning grout generally challenging? Choosing a cleaner for marble that can be used safely around the stone is crucial. The Black Diamond Grout Cleaner is good. I spritz it on, let it sit, give it a brush scrub, then wipe the dirt off. The grout now looks virtually brand new again after I had it professionally steam cleaned and resealed recently. Bright White Bostik grout is what I'm using. White grout is challenging to keep spotless. Therefore, it's not at all a practical choice for my house. If the thought of cleaning the grout intimidates you, a soft gray grout would be a more sensible choice. So far, I've had no problems with my bathroom's marble tile, other than one chip and a few scratches. There haven't been any surprises because I truly adored the appearance and was ready for the additional care before installation.
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