It partially dissolved the marble. Etched. That can’t be repaired. Only replaced.

Thank you! That’s So upsetting! what product is safe to clean the floor even where the stain is now? Thanks

The etch can be abraded away, depending on its depth.

Call a professional stone restoration and maintenance company if you have one in your area. They can best advise you and, if possible to restore, have the equipment and methods to do so. Ongoing, avoid the use of such products around natural stone. Use only ph neutral cleaners, including toilet bowl cleaners. Here's a list of what we provide to our clients when we install marble bathrooms (there are other products on the market as well that are safe for stone surfaces but our clients like these).

Cleaning Products

MB-5 Stone Care Granite and Marble Cleaning Spray For routine use cleaning marble, granite, quartz, travertine, and all other natural stone surfaces. Sprayer included.

Also an excellent porcelain and ceramic tile cleaner.

Great for mirrors and windows too! Many think it's better than Windex, but won't harm acid-sensitive stones like Windex does.

1 Qt. - $15.99 + shipping (varies by supplier and quantity)

Suppliers: mbstonecare.com

countertopspecialty.com

MB-1 Floor Cleaner

Highly-effective, concentrated formula for granite & marble floor tile, travertine tile, ceramic flooring, and porcelain tile. It is gentle enough for use even on hardwood. Safe and non-damaging on marble, travertine and all natural stone flooring. While rinsing isn’t necessary we recommend that a freshwater rinse is done if used frequently.

Directions: Add 1 to 2 ounces to a gallon of warm or cold water and damp-mop.

1 Qt. - $17.99 + shipping; 1 GAL - $34.95 (varies)

Suppliers: mbstonecare.com

countertopspecialty.com

Majestic SCP Toilet Bowl Cleaner

Safe Toilet Bowl Cleaner for Marble & Travertine

Toilet bowl cleaner safe for use around marble, travertine and limestone floors and walls. While other toilet bowl cleaners will etch and damage marble when spilled or splashed on floors or walls (a common marble maintenance issue), this non-acidic formula is the best toilet bowl cleaner for safe use in marble bathrooms.

1 Qt. - $19.99 + shipping

Suppliers: countertopspecialty.com

StonecareCentral.com. (can order by the case)

Take the 2 minutes after shower use and wipe down:

Stainless Steel Squeegee

MB-SQ $16.99

Supplier: mbstonecare.com

Microfiber Cleaning Cloths

14.2 x 14.2” VibraWipe

Available on Amazon

Use ventilation always and leave on for 15 -30 minutes after shower. Leave shower doors or curtain open when not in use.

Thank you!