Ultimate Grout Cleaner
Best deep cleaner for homeowners restoring dirty tile and stone grout.
Ultimate Grout Cleaner is the best, Acid-Free Safe Deep Cleaner, Stain Remover for Even the Dirtiest Grout in Tile, Ceramic, Porcelain, Marble, and Stone. Black Diamond Stoneworks. Dirt, grease, and oil tend to accumulate in between tiles and marble surfaces making your floors and countertops unsafe for the entire family. Stop worrying about your kids playing on bacteria-infested and dirt-stained tiled floors. Be confident to serve delicious food prepared on your squeaky clean kitchen countertop. Now is the time to have clean, germ-free tiled surfaces again and without paying for professional help. Cleaning grout doesn’t have to be a tedious and backbreaking task. Spray this acid-free, deep-penetrating cleaner onto your dirty grout and leave on for 1-3 minutes. Your cleaning process is made easy as the specially formulated cleaner loosens deposited dirt and dissolves oils and grease. Reveal clean and looking-new grout by finishing off with a few scrubs and rinsing with water. Ultimate Grout Cleaner is the innovative solution to stubborn grease and grime-stained grout, ceramic, porcelain and marble. Be worry-free and experience cleaning the Black Diamond Stoneworks way.
$21.98
Owner Satisfaction
4.6
/ 5
Category Rank
23
/ 241
#23 in Tub & Tile Cleaners
Price vs Category Average
-25%
Below average
Who it's for
- Homeowners tackling years of neglected, discolored grout lines
- Property owners with delicate natural stone or porcelain surfaces
- DIY enthusiasts wanting a simple, straightforward cleaning routine
Who should skip it
- Users seeking a hands-off, spray-and-wipe cleaning solution
- Individuals sensitive to strong chemical smells or fumes
- People dealing with permanent, deep-set grout discoloration
Performance breakdown
Surface Versatility
Safe for delicate natural stone, marble, and standard ceramic tile surfaces.
Ease of Application
Simple spray-and-dwell process removes the need for heavy-duty manual labor.
Stain Penetration
Deep-acting formula effectively lifts stubborn grease and embedded kitchen grime.
Chemical Safety
Acid-free composition protects grout color and prevents etching on natural stone.
Restoration Efficacy
Consistently brings tired, discolored grout back to a like-new appearance.
Mineral Deposit Removal
Not designed to tackle stubborn calcium buildup or hard water spots.
Key Specs
An acid-free formula that is safe for white and colored grout
Deeply cleans grease, dirt, food spills and soap scum
Fast-acting and labor-saving
Can be used with grout steam cleaner
Not for calcium or water spots
Made in the USA
Brand
Black Diamond Stoneworks
Volume
1 Quart
Features
- Powerful deep cleaning action
- Acid-free and safe for colored grout and natural stone
- Effectively removes dirt, grease, oil, food spills, and soap scum
- Fast-acting formula saves time and effort
- Easy to use: spray, dwell, scrub, and rinse
- Restores grout to a like-new appearance
- Suitable for tile, ceramic, porcelain, marble, and stone surfaces
- Cleans tough grout stains
- Suitable for floors and countertops
- Eco Friendly
What customers say
Customers consistently praise the Ultimate Grout Cleaner by Black Diamond Stoneworks for its remarkable effectiveness and straightforward application. Many reviewers highlight its ability to effortlessly restore dirty grout, often removing years of accumulated grime with minimal scrubbing. Users appreciate how simple it is to achieve professional looking results, transforming tiled surfaces without extensive effort. This product stands out for delivering on its promise, making deep cleaning accessible and highly satisfying for homeowners seeking a powerful solution.
Know before you buy
Yes, the formula is acid-free, which makes it safe for use on natural stone surfaces including marble, as well as ceramic and porcelain tile.
No, this cleaner is specifically formulated to target grease, oil, and organic grime. It is not designed to dissolve mineral deposits like calcium or hard water spots.
Yes, you can use this cleaner alongside a grout steam cleaner to help loosen stubborn stains and grime more effectively.
The acid-free formula is designed to be safe for both white and colored grout, so it should not strip or fade the color when used as directed.
For best results, spray the cleaner onto the grout and allow it to dwell for 1 to 3 minutes to break down the dirt and grease before scrubbing and rinsing.
Still have a question?
Ask Hayley anything about this product before you decide.