Rubbing Alcohol: Just mix rubbing alcohol and water in a spray bottle, spray directly onto grout and let sit for 10 minutes. Then wipe away. No scrubbing needed!
alcohol won't affect grout. Alcohols will dissolve organics but there are no organics in cement. cement does contain carbonates which are alkaline which is why vinegar isn't great because the acid will slowly react with the base and weaken the cement.
I've worked for 25+ years in the stained glass hobby and the best thing I've found to clean the haze is rubbing alcohol. Just pour some on a clean T-shirt material rag and rub off the haze from the tile. It should not take a lot of effort and I doubt it would harm the grout, but test a small spot first.
Distilled white vinegar 3:1 ratio with cold water, do not shake the solution. Spray over tiles and use a cloth to wipe. If that doesn't work, try 5:1 ratio. Otherwise you'll have to get a grout haze remover, not to be confused with a grout cleaner.
Some professionals swear by a simple mixture of baking soda and peroxide to clean grout. Hydrogen peroxide is an acid, and baking soda is a base compound. Mixing the two together creates a reaction that can penetrate the grout lines and free dirt and debris.
Once you've activated the micro-scrubbers inside, your Magic Eraser is good to go. Start by swiping it firmly across the desired surface. In just a few swipes, you should start to see grout messes and buildup begin to disappear!
Known as grout haze, this smeared white coat is a common aftermath for many tiling jobs, and when left untreated, it can be a tricky and persistent stain to get rid of. Fortunately, it's not a permanent smudge, and can be readily removed with the right know-how and knowledge.
One of the workers there suggested that a solution of distilled vinegar and warm water will cut right through the haze. I loved the sound of the chemical free fix. He helped us find some mops and buckets, a scrubby for any stubborn areas and they even carried the vinegar.
Aqua Mix Cement Grout Haze Remover: Aqua Mix features an organic acid formula that contains no phosphates. DuPont Heavy Duty Grout Haze Remover: A highly rated and reasonably priced professional strength grout haze remover, DuPont Grout Haze Remover can be used for stone as well as for tile.
Rubbing alcohol is excellent for deep cleaning, but you don't want to overdo its use. Too much rubbing alcohol dries tile and grout, creating a dull appearance. Dry tile also becomes brittle over time, while overly dry grout loses its adhesion. To use rubbing alcohol safely, add just a capful to a gallon of warm water.
To remove built-up or sticky residue from grout lines, wet the surface with isopropyl (rubbing) alcohol. Agitate briefly with a grout brush. Vigorously wipe the grout lines with a white, absorbent, cotton towel. You will be removing some of the sealer along with any remaining alcohol.
Rubbing Alcohol: Just mix rubbing alcohol and water in a spray bottle, spray directly onto grout and let sit for 10 minutes. Then wipe away. No scrubbing needed!
If you're a die-hard DIYer, using Dawn dish soap alone can be a safer option for mild cleaning. Dilute a small amount of Dawn in warm water, scrub the grout with a soft brush, and rinse thoroughly. However, this method is less effective for tackling stubborn stains or deep-seated grime.
For stubborn grout haze on porcelain, vinyl, laminate, or ceramic tiles, you can make a DIY grout haze remover by mixing one part vinegar with four parts water and spray or apply it to the tiles. Wipe away any excess grout and clean the area with water.
As go-to grout and tile care specialists, The Grout Medic truly wants what is best for your tile. Waiting too long to wipe grout could result in unsightly grout haze. Don't wait too long to wipe off grout!
Different ways to remove grout haze
If this does not work completely, use a mixture of 50% water and 50% vinegar. The acid dissolves the lime residues that make up a grout haze. Special grout haze removers, which you can buy in the tile shop or hardware store, work on the same principle.
How long can you leave grout haze on tile? Try to perform your final wipe-down 24 – 72 hours after installation.
Re: Removing grout haze
I'd suggest using a 50/50 mix of white vinegar and water. Please make sure to flush the area down with fresh water after your attempt.
Two factors can produce this haze: efflorescence and sealer haze. Efflorescence appears as a white powder, normally on the grout. Sealer haze appears as a milky white haze where sealer has pooled and dried on the surface rather than penetrating the grout or stone. It is easily seen on dark-colored grout.
Tiles and grout
One of our favourite ways to use The Pink Stuff is to revive tired and grubby tiles. Work it into the grout with a sponge or an old toothbrush and you'll be amazed at how much you can brighten up those old bathroom or kitchen tiles.