How do you get black stains out of grout?

To remove the black stains that mold leaves on non-porous surfaces like grout, mix equal parts of bleach and water in a spray bottle and spray it over the stained area, allowing it to sit for several minutes. Return and spray the area again, and use a scrub brush to scrub out any remaining discoloration.

Does cleaning with vinegar damage grout?

Grout that hasn’t been sealed or needs to be resealed should not be cleaned with vinegar. The vinegar penetrates into the spaces for air in the grout and weakens them. Over time, vinegar will deteriorate the condition of the grout by etching or wearing away.

Can you use vinegar on tile and grout?

Vinegar: Vinegar is one of the most commonly recommended “home remedy” type of cleaners for hardwood floors. Even though many people rely on vinegar to clean, we highly recommend you do not use it to clean your tile and grout, because it will end up discoloring your floors.

Why does grout turn black?

If your grout has turned dark or black, it is likely just dirt. Tile grout can also turn black due to mold. Mold usually develops in areas where there is high humidity or in areas with moisture. Mold is commonly found on bathroom shower tiles or floors and also on kitchen backsplashes.

Can I use bleach on black grout?

Avoid using bleach or peroxide on dark grout because it will cause discoloration and can weaken the grout. A solution of half water and half vinegar is also effective at cleaning both dark grout and white floor grout. Fill a spray bottle with the solution and apply directly to the grout.

Does vinegar darken grout?

Question: Does vinegar help to darken grout? Answer: Yes, vinegar is helpful to darken grout. It is quite good for the grout too. However, because of the use of vinegar, if the grout is not cleaned, it will take on an unsightly brown tint.

Does Coke really clean grout?

Little did you know that cola is great for cleaning tile grout! If you have dirty, dingy grout, pour a bit of cola onto the area, let it sit for a few minutes, and wipe clean. For tough stains, use a cleaning toothbrush to scrub the grout before wiping the area clean. Cola Cola can also be used on carpet stains.