10 Best Slate Tile Cleaners 2025 in the United States

The Black Diamond Stoneworks Ultimate Grout Cleaner is a powerful solution designed to tackle tough stains on tile floors. With its professional-strength yet acid-free formulation, this cleaner is effective at deep cleaning and removing old and new stains without causing damage. This makes it safe for use on delicate surfaces, including colored grout and natural stone like ceramic, marble, and granite, offering peace of mind during cleaning tasks.

A notable feature is its ability to restore the original color of your grout, enhancing the overall appearance of your tile floors. Various application methods are supported, including using a grout brush or a steam cleaning machine, providing flexibility in handling different cleaning needs. On the downside, while the product dimensions and weight are relatively substantial, this could make handling and storage a bit cumbersome for some users. The scent, described as 'April Fresh,' may not appeal to everyone. However, the cleaner's American craftsmanship and eco-conscious production are commendable.

This product is well-suited for homeowners looking to maintain the cleanliness and aesthetic of their tile floors, especially in kitchens and bathrooms.

The Weiman Granite Cleaner and Polish is designed specifically for natural stone surfaces, including slate tiles, making it a good choice if you want a product tailored for delicate stones. Its pH-balanced formula is gentle enough to protect the stone’s seal, which helps prevent discoloration and damage over time. This means it cleans effectively without wearing down your tile’s finish. The spray application is simple to use and helps remove grease, grime, and stains without leaving streaks or residue, which many users appreciate for easy maintenance. Additionally, it adds a nice shine that enhances the natural patterns in your stone, giving your slate a refreshed and polished look.

On the safety side, the cleaner is non-toxic and natural, which makes it safer to use around the house without harsh chemicals. The citrus scent is mild and pleasant, avoiding strong chemical odors. Because it is a polish as well as a cleaner, some might find it less suited for heavy-duty scrubbing or deep cleaning tasks where stronger chemicals might be needed. It doesn’t come with batteries or special tools, so it’s purely a spray-and-wipe product.

If you have slate tile or other natural stone surfaces like granite or marble and want a gentle, daily cleaner that also polishes and protects, this product fits well. It’s less ideal if you need a heavy-duty cleaner for tough stains or if you prefer fragrance-free options. With many positive reviews and a decent size for repeated use, it’s a solid pick for regular upkeep of natural stone tiles.

Miracle Sealants Heavy-Duty Acidic Cleaner is designed to tackle tough stains like grout haze, rust, and efflorescence on slate tiles and other surfaces such as granite, marble, brick, and cement. It uses a strong acid formula, which makes it very effective at quickly removing stubborn dirt and stains, especially useful both indoors and outdoors.

The product is a liquid that you dilute with water, with flexibility to adjust concentration for different cleaning needs. You apply it easily using a mop or an acid-resistant brush. Because it’s acidic, it’s important to use it carefully, following safety advice, and avoid leaving residues that might harm delicate surfaces. It covers a large area, making it cost-effective for bigger projects.

Since it’s a strong acid cleaner, it may not be suitable for polished stones or sensitive materials and requires responsible handling to avoid damage or skin irritation. If you need a powerful cleaner for heavy-duty slate tile cleaning and are comfortable with a bit of caution during use, this product can be a reliable choice.