Black Diamond Stoneworks Ultimate Grout Cleaner for Tile Floors – Acid-Free Deep Cleaner, Safe on Marble (1-Quart)

Meet Black Diamond Stoneworks Ultimate Grout Cleaner, a labor-saving deep cleaner crafted for tile floors and grout. This acid-free formula targets grease, dirt, oil, and soap scum on white or colored grout, delivering a thorough clean without harsh acids. It’s designed to be safe for marble and other natural stone when used as directed, making it a versatile option for kitchens, bathrooms, and busy households.

Why this grout cleaner stands out

• Acid-free grout cleaner that protects grout and tile while delivering strong cleaning power.
• Deep-cleaning action that breaks down grease, dirt, and soap scum in grout lines.
• Safe for marble, granite, travertine, ceramic tile, and colored grout without etching or discoloration.
• Restores grout appearance by lifting embedded grime for brighter lines and refreshed tile surfaces.
• Fast and easy to use: spray, dwell 1–3 minutes, scrub, and rinse; works with grout brushes or drill brushes.
• Ideal for high-traffic kitchens and bathrooms where routine grout cleaning is helpful.

What you can expect in real-life use

• Spray-on convenience helps you target grout lines or tiled areas without heavy scrubbing.
• Color-safe formulas reduce worry about grout shade changes when cleaning colored grout.
• Works well with steam cleaning setups for an extra boost in challenging areas.
• Quick setup and rinse leave surfaces looking brighter with minimal downtime.

How to use

1. Spray on grout or tile and let stand for 1–3 minutes.
2. Agitate embedded soil with a grout brush or drill brush.
3. Rinse with clean water; repeat if needed for very dirty grout.

Notes: This product is very strong, so avoid use on painted surfaces. It will not normally remove calcium or water spots from showers. For best results on delicate stones, perform a small test area first. Made in the USA.